Details of the Researcher

PHOTO

Yoshiro Hirayama
Section
Center for Science and Innovation in Spintronics
Job title
Specially Appointed Professor(Research)
Degree

  • 工学博士（東京大学）

  • 工学修士（東京大学）

Committee Memberships 16

  • JSTCREST「ナノスケール・サーマルマネージメント基盤技術の創出」　領域アドバイザー

    2017/06 - Present

  • JSTCREST「ナノスケール・サーマルマネージメント基盤技術の創出」　領域アドバイザー

    2017/06 - Present

  • JSTCREST「量子状態の高度な制御に基づく革新的量子技術基盤の創出」　領域アドバイザー

    2016/06 - Present

  • JSTCREST「量子状態の高度な制御に基づく革新的量子技術基盤の創出」　領域アドバイザー

    2016/06 - Present

  • JSTCREST/さきがけ事業「素材・デバイス・システム融合による革新的ナノエレクトロニクス」　領域アドバイザー（さきがけ担当）

    2013/06 - Present

  • JSTCREST/さきがけ事業「素材・デバイス・システム融合による革新的ナノエレクトロニクス」　領域アドバイザー（さきがけ担当）

    2013/06 - Present

  • 住友財団基礎科学研究助成　選考委員

    2012/04 - 2016/03

  • 住友財団基礎科学研究助成　選考委員

    2012/04 - 2016/03

  • JST戦略的創造研究推進事業　「物質現象」領域アドバイザー

    2004/06 - 2012/03

  • JST戦略的創造研究推進事業　「物質現象」領域アドバイザー

    2004/06 - 2012/03

  • 日本物理学会　領域代表（領域４）

    2009/10 - 2010/09

  • 日本物理学会　領域代表（領域４）

    2009/10 - 2010/09

  • 日本物理学会　領域副代表(領域４）

    2008/10 - 2009/09

  • 日本物理学会　領域副代表(領域４）

    2008/10 - 2009/09

  • Institute of Physics (IOP)、Reports on Progress in Physics, Editor　編集委員

    2004/06 - 2008/12

  • Institute of Physics (IOP)、Reports on Progress in Physics, Editor　編集委員

    2004/06 - 2008/12

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Professional Memberships 3

  • Institute of Physics (IOP)

  • 日本物理学会

  • 応用物理学会

Research Interests 1

  • Quantum Solid-State Transport

Awards 4

  1. ISCS The Quantum Device Award

    2013/05/20　Award Committee, ISCS　For pioneering contributions to the fundamental research of semiconductor quantum systems, particularly those based on nuclear-spin related phenomena

  2. 応用物理学会フェロー表彰

    2009/09/08　応用物理学会　半導体量子構造と固体核スピンデバイスの研究開発

  3. 応用物理学会論文賞

    2008/09/02　応用物理学会

  4. SSDM Paper Award

    2007/09/19　SSDM (Int. Conf. on Solid State Devices and Materials)

Papers 137

  1. Resistively detected NMR line shapes in a quasi-one-dimensional electron system Peer-reviewed

    M. H. Fauzi, A. Singha, M. F. Sahdan, M. Takahashi, K. Sato, K. Nagase, B. Muralidharan, Y. Hirayama

    PHYSICAL REVIEW B　95　(24)　241404-1-241404-5　2017/06

    DOI： 10.1103/PhysRevB.95.241404 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  2. Detection and Control of Spin-Orbit Interactions in a GaAs Hole Quantum Point Contact Peer-reviewed

    A. Srinivasan, D. S. Miserev, K. L. Hudson, O. Klochan, K. Muraki, Y. Hirayama, D. Reuter, A. D. Wieck, O. P. Sushkov, A. R. Hamilton

    PHYSICAL REVIEW LETTERS　118　(14)　146801-1-146801-5　2017/04

    DOI： 10.1103/PhysRevLett.118.146801 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  3. Role of chiral quantum Hall edge states in nuclear spin polarization Peer-reviewed

    Kaifeng Yang, Katsumi Nagase, Yoshiro Hirayama, Tetsuya D. Mishima, Michael B. Santos, Hongwu Liu

    NATURE COMMUNICATIONS　8　15084-1-15084-7　2017/04

    DOI： 10.1038/ncomms15084 　

    ISSN： 2041-1723

  4. Manipulation of a Nuclear Spin by a Magnetic Domain Wall in a Quantum Hall Ferromagnet Peer-reviewed

    M. Korkusinski, P. Hawrylak, H. W. Liu, Y. Hirayama

    SCIENTIFIC REPORTS　7　43553-1-43553-7　2017/03

    DOI： 10.1038/srep43553 　

    ISSN： 2045-2322

  5. Landauer-Buttiker approach for hyperfine mediated electronic transport in the integer quantum Hall regime Peer-reviewed

    Aniket Singha, M. H. Fauzi, Y. Hirayama, Bhaskaran Muralidharan

    PHYSICAL REVIEW B　95　(11)　115416-1-115416-17　2017/03

    DOI： 10.1103/PhysRevB.95.115416 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  6. Fabry-Perot interference in a triple-gated quantum point contact Peer-reviewed

    S. Maeda, S. Miyamoto, M. H. Fauzi, K. Nagase, K. Sato, Y. Hirayama

    APPLIED PHYSICS LETTERS　109　(14)　143509-1-143509-4　2016/10

    DOI： 10.1063/1.4964404 　

    ISSN： 0003-6951

    eISSN： 1077-3118

  7. Simultaneous measurement of resistively and optically detected nuclear magnetic resonance in the v=2/3 fractional quantum Hall regime Peer-reviewed

    Keiichirou Akiba, Katsumi Nagase, Yoshiro Hirayama

    PHYSICAL REVIEW B　94　(8)　081104-1-081104-5　2016/08

    DOI： 10.1103/PhysRevB.94.081104 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  8. Electrical control of the sign of the g factor in a GaAs hole quantum point contact Peer-reviewed

    A. Srinivasan, K. L. Hudson, D. Miserev, L. A. Yeoh, O. Klochan, K. Muraki, Y. Hirayama, O. P. Sushkov, A. R. Hamilton

    PHYSICAL REVIEW B　94　(4)　041406-1-041406-5　2016/07

    DOI： 10.1103/PhysRevB.94.041406 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  9. Scanning nuclear electric resonance microscopy using quantum-Hall-effect breakdown Peer-reviewed

    K. Hashimoto, T. Tomimatsu, S. Shirai, S. Taninaka, K. Nagase, K. Sato, Y. Hirayama

    AIP ADVANCES　6　(7)　075024-1-075024-6　2016/07

    DOI： 10.1063/1.4960430 　

    ISSN： 2158-3226

  10. Localized NMR Mediated by Electrical-Field-Induced Domain Wall Oscillation in Quantum-Hall-Ferromagnet Nanowire Peer-reviewed

    S. Miyamoto, T. Miura, S. Watanabe, K. Nagase, Y. Hirayama

    NANO LETTERS　16　(3)　1596-1601　2016/03

    DOI： 10.1021/acs.nanolett.5b04209 　

    ISSN： 1530-6984

    eISSN： 1530-6992

  11. Dicke model for quantum Hall systems Peer-reviewed

    Y. Hama, M. H. Fauzi, K. Nemoto, Y. Hirayama, Z. F. Ezawa

    NEW JOURNAL OF PHYSICS　18　023027-1-023027-10　2016/02

    DOI： 10.1088/1367-2630/18/2/023027 　

    ISSN： 1367-2630

  12. Comparison of nuclear electric resonance and nuclear magnetic resonance in integer and fractional quantum Hall states Peer-reviewed

    Toru Tomimatsu, Shota Shirai, Katsushi Hashimoto, Ken Sato, Yoshiro Hirayama

    AIP ADVANCES　5　(8)　087156-1-087156-6　2015/08

    DOI： 10.1063/1.4929477 　

    ISSN： 2158-3226

  13. Quantum state tomography of large nuclear spins in a semiconductor quantum well: Optimal robustness against errors as quantified by condition numbers Peer-reviewed

    Adam Miranowicz, Sahin K. Oezdemir, Jiri Bajer, Go Yusa, Nobuyuki Imoto, Yoshiro Hirayama, Franco Nori

    PHYSICAL REVIEW B　92　(7)　075312-1-075312-18　2015/08

    DOI： 10.1103/PhysRevB.92.075312 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  14. Optically Induced Nuclear Spin Polarization in the Quantum Hall Regime: The Effect of Electron Spin Polarization through Exciton and Trion Excitations Peer-reviewed

    K. Akiba, S. Kanasugi, T. Yuge, K. Nagase, Y. Hirayama

    PHYSICAL REVIEW LETTERS　115　(2)　026804-1-026804-5　2015/07

    DOI： 10.1103/PhysRevLett.115.026804 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  15. Valley polarization assisted spin polarization in two dimensions Peer-reviewed

    V. T. Renard, B. A. Piot, X. Waintal, G. Fleury, D. Cooper, Y. Niida, D. Tregurtha, A. Fujiwara, Y. Hirayama, K. Takashina

    NATURE COMMUNICATIONS　6　1-8　2015/06

    DOI： 10.1038/ncomms8230 　

    ISSN： 2041-1723

  16. Radiative properties of multicarrier bound excitons in GaAs Peer-reviewed

    Todd Karin, Russell J. Barbour, Charles Santori, Yoshihisa Yamamoto, Yoshiro Hirayama, Kai-Mei C. Fu

    PHYSICAL REVIEW B　91　(16)　165204-1-165204-12　2015/04

    DOI： 10.1103/PhysRevB.91.165204 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  17. Band Shift, Band Filling, and Electron Localization in a Quantum Wire Detected via Tunneling between Parallel Quantum Wires Peer-reviewed

    Michihisa Yamamoto, Yasuhiro Tokura, Yoshiro Hirayama, Seigo Tarucha

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　84　(3)　033710-1-033710-4　2015/03

    DOI： 10.7566/JPSJ.84.033710 　

    ISSN： 0031-9015

  18. Anisotropic nuclear-spin diffusion in double quantum wells Peer-reviewed

    T. Hatano, W. Kume, S. Watanabe, K. Akiba, K. Nagase, Y. Hirayama

    PHYSICAL REVIEW B　91　(11)　115318-1-115318-7　2015/03

    DOI： 10.1103/PhysRevB.91.115318 　

    ISSN： 1098-0121

    eISSN： 1550-235X

  19. Atomic force microscope-assisted scanning tunneling spectroscopy under ambient conditions Peer-reviewed

    Amin Vakhshouri, Katsushi Hashimoto, Yoshiro Hirayama

    MICROSCOPY　63　(6)　475-479　2014/12

    DOI： 10.1093/jmicro/dfu028 　

    ISSN： 2050-5698

    eISSN： 2050-5701

  20. Nuclear magnetometry studies of spin dynamics in quantum Hall systems Peer-reviewed

    M. H. Fauzi, S. Watanabe, Y. Hirayama

    PHYSICAL REVIEW B　90　(23)　235308-1-235308-8　2014/12

    DOI： 10.1103/PhysRevB.90.235308 　

    ISSN： 1098-0121

    eISSN： 1550-235X

  21. Mechanical resonance characteristics of a cylindrical semiconductor heterostructure containing a high-mobility two-dimensional electron gas Peer-reviewed

    H. Okamoto, W. Izumida, Y. Hirayama, H. Yamaguchi, A. Riedel, K. -J. Friedland

    PHYSICAL REVIEW B　89　(24)　245304-1-245304-8　2014/06

    DOI： 10.1103/PhysRevB.89.245304 　

    ISSN： 1098-0121

    eISSN： 1550-235X

  22. Photoluminescence fine structures in the fractional quantum Hall effect regime Peer-reviewed

    S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Hirayama, M. Korkusinski, P. Hawrylak

    PHYSICAL REVIEW B　89　(11)　115317-1-115317-6　2014/03

    DOI： 10.1103/PhysRevB.89.115317 　

    ISSN： 1098-0121

    eISSN： 1550-235X

  23. Spin and valley polarization dependence of resistivity in two dimensions Peer-reviewed

    K. Takashina, Y. Niida, V. T. Renard, B. A. Piot, D. S. D. Tregurtha, A. Fujiwara, Y. Hirayama

    PHYSICAL REVIEW B　88　(20)　201301-1-201301-5　2013/11

    DOI： 10.1103/PhysRevB.88.201301 　

    ISSN： 1098-0121

    eISSN： 1550-235X

  24. Gate depletion of an InSb two-dimensional electron gas Peer-reviewed

    M. M. Uddin, H. W. Liu, K. F. Yang, K. Nagase, K. Sekine, C. K. Gaspe, T. D. Mishima, M. B. Santos, Y. Hirayama

    Applied Physics Letters　103　(12)　123502-1-123502-4　2013/09/16

    DOI： 10.1063/1.4821106 　

    ISSN： 0003-6951

  25. Pump-probe nuclear magnetic resonance measurement in quantum Hall effect breakdown regime Peer-reviewed

    T. Tomimatsu, K. Hashimoto, K. Sato, Y. Hirayama

    Applied Physics Letters　103　(8)　082108-1-082108-4　2013/08/19

    DOI： 10.1063/1.4819000 　

    ISSN： 0003-6951

  26. Electrical control of tunnel coupling between vertically coupled quantum point contacts Peer-reviewed

    S. Ichinokura, T. Hatano, W. Izumida, K. Nagase, Y. Hirayama

    APPLIED PHYSICS LETTERS　103　(6)　062106-1-062106-4　2013/08

    DOI： 10.1063/1.4817937 　

    ISSN： 0003-6951

  27. Optically induced nuclear spin polarization in a single GaAs/AlGaAs quantum well probed by a resistance detection method in the fractional quantum Hall regime Peer-reviewed

    K. Akiba, T. Yuge, S. Kanasugi, K. Nagase, Y. Hirayama

    Phys. Rev. B　B87　235309-1-235309-7　2013/06/18

    DOI： 10.1103/PhysRevB.87.235309 　

  28. Optically induced nuclear spin polarization in a single GaAs/AlGaAs quantum well probed by a resistance detection method in the fractional quantum Hall regime Peer-reviewed

    K. Akiba, T. Yuge, S. Kanasugi, K. Nagase, Y. Hirayama

    Phys. Rev.　B87　235309-1-235309-7　2013/06/18

    DOI： 10.1103/PhysRevB.87.235309 　

  29. Metallic behaviour in SOI quantum wells with strong intervalley scattering Peer-reviewed

    V. T. Renard, I. Duchemin, Y. Niida, A. Fujiwara, Y. Hirayama, K. Takashina

    SCIENTIFIC REPORTS　3　2011-1-2011-5　2013/06

    DOI： 10.1038/srep02011 　

    ISSN： 2045-2322

  30. Electron and hole mobilities at a Si/SiO2 interface with giant valley splitting Peer-reviewed

    Yoshitaka Niida, Kei Takashina, Yukinori Ono, Akira Fujiwara, Yoshiro Hirayama

    APPLIED PHYSICS LETTERS　102　(19)　191603-1-191603-4　2013/05

    DOI： 10.1063/1.4803014 　

    ISSN： 0003-6951

  31. Exchange energy enhanced g-factors obtained from Landau fan diagrams at low magnetic fields Peer-reviewed

    S. Nomura, H. Tamura, M. Yamaguchi, T. Akazaki, Y. Hirayama

    PHYSICAL REVIEW B　87　(8)　085318-1-085318-6　2013/02

    DOI： 10.1103/PhysRevB.87.085318 　

    ISSN： 1098-0121

  32. Spin phase transition studies to probe spin dynamics in quantum Hall system Peer-reviewed

    M. H. Fauzi, S. Watanabe, Y. Hirayama

    Journal of Physics: Conference Series　456　(1)　012010-1-012010-3　2013

    Publisher: Institute of Physics Publishing

    DOI： 10.1088/1742-6596/456/1/012010 　

    ISSN： 1742-6596 1742-6588

  33. Characterization of InSb quantum wells with atomic layer deposited gate dielectrics Peer-reviewed

    M. M. Uddin, H. W. Liu, K. F. Yang, K. Nagase, T. D. Mishima, M. B. Santos, Y. Hirayama

    APPLIED PHYSICS LETTERS　101　(23)　233503-1-233503-4　2012/12

    DOI： 10.1063/1.4769225 　

    ISSN： 0003-6951

  34. Microscopic characteristics of dynamic nuclear polarization and selective nuclear depolarization at the nu=2/3 spin phase transition Peer-reviewed

    M. H. Fauzi, S. Watanabe, Y. Hirayama

    APPLIED PHYSICS LETTERS　101　(16)　162105-1-162105-3　2012/10

    DOI： 10.1063/1.4761955 　

    ISSN： 0003-6951

  35. Robust Nodal Structure of Landau Level Wave Functions Revealed by Fourier Transform Scanning Tunneling Spectroscopy Peer-reviewed

    K. Hashimoto, T. Champel, S. Florens, C. Sohrmann, J. Wiebe, Y. Hirayama, R. A. Roemer, R. Wiesendanger, M. Morgenstern

    PHYSICAL REVIEW LETTERS　109　(11)　116805-1-116805-5　2012/09

    DOI： 10.1103/PhysRevLett.109.116805 　

    ISSN： 0031-9007

  36. Resistively detected nuclear magnetic resonance:recent developments Invited Peer-reviewed

    H. W. Liu, K. F. Yang, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    Acta Phys. Sin.　61　(14)　147302-1-147302-12　2012/07

  37. All electrical probe of nuclear spin polarization and relaxation by spin phase transition peaks of the filling fraction nu=2/3 quantum hall effect Peer-reviewed

    M. H. Fauzi, S. Watanabe, N. Kumada, Y. Hirayama

    JOURNAL OF THE KOREAN PHYSICAL SOCIETY　60　(10)　1676-1679　2012/05

    DOI： 10.3938/jkps.60.1676 　

    ISSN： 0374-4884

  38. Mechanical vibration of a cylindrically rolled-up cantilever shell in microelectromechanical and nanoelectromechanical systems Peer-reviewed

    W. Izumida, Y. Hirayama, H. Okamoto, H. Yamaguchi, K. -J. Friedland

    PHYSICAL REVIEW B　85　(7)　075313-1-075313-10　2012/02

    DOI： 10.1103/PhysRevB.85.075313 　

    ISSN： 1098-0121

  39. Motion detection of a micromechanical cantilever through magneto-piezovoltage in two-dimensional electron systems Peer-reviewed

    H. Yamaguchi, H. Okamoto, S. Ishihara, Y. Hirayama

    APPLIED PHYSICS LETTERS　100　(1)　012106-1-012106-3　2012/01

    DOI： 10.1063/1.3674288 　

    ISSN： 0003-6951

    eISSN： 1077-3118

  40. Measurement of the Noise Spectrum Using a Multiple-Pulse Sequence Peer-reviewed

    Tatsuro Yuge, Susumu Sasaki, Yoshiro Hirayama

    PHYSICAL REVIEW LETTERS　107　(17)　170504-1-170504-4　2011/10

    DOI： 10.1103/PhysRevLett.107.170504 　

    ISSN： 0031-9007

  41. Resistive detection of optically pumped nuclear polarization with spin phase transition peak at Landau level filling factor 2/3 Peer-reviewed

    K. Akiba, S. Kanasugi, K. Nagase, Y. Hirayama

    APPLIED PHYSICS LETTERS　99　(11)　112106-1-112106-3　2011/09

    DOI： 10.1063/1.3640215 　

    ISSN： 0003-6951

  42. Low-Frequency Spin Fluctuations in Skyrmions Confined by Wires: Measurements of Local Nuclear Spin Relaxation Peer-reviewed

    Takashi Kobayashi, Norio Kumada, Takeshi Ota, Satoshi Sasaki, Yoshiro Hirayama

    PHYSICAL REVIEW LETTERS　107　(12)　126807-1-126807-5　2011/09

    DOI： 10.1103/PhysRevLett.107.126807 　

    ISSN： 0031-9007

  43. Nonlinear magnetic field dependence of spin polarization in high-density two-dimensional electron systems Peer-reviewed

    K. F. Yang, H. W. Liu, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    NEW JOURNAL OF PHYSICS　13　083010-1-083010-9　2011/08

    DOI： 10.1088/1367-2630/13/8/083010 　

    ISSN： 1367-2630

  44. Impact of Valley Polarization on the Resistivity in Two Dimensions Peer-reviewed

    K. Takashina, Y. Niida, V. T. Renard, A. Fujiwara, T. Fujisawa, K. Muraki, Y. Hirayama

    PHYSICAL REVIEW LETTERS　106　(19)　196403-1-196403-4　2011/05

    DOI： 10.1103/PhysRevLett.106.196403 　

    ISSN： 0031-9007

  45. Resistively detected nuclear magnetic resonance via a single InSb two-dimensional electron gas at high temperature Peer-reviewed

    K. F. Yang, H. W. Liu, K. Nagase, T. D. Mishima, M. B. Santos, Y. Hirayama

    APPLIED PHYSICS LETTERS　98　(14)　142109-1-142109-3　2011/04

    DOI： 10.1063/1.3579257 　

    ISSN： 0003-6951

    eISSN： 1077-3118

  46. Observation of strains caused by heterostructure interfaces Peer-reviewed

    Masashi Nishimori, Hirokazu Hasegawa, Susumu Sasaki, Shinji Watanabe, Yoshiro Hirayama

    PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 8, NO 2　8　(2)　399-401　2011

    DOI： 10.1002/pssc.201000602 　

    ISSN： 1862-6351

  47. Real-space mapping of a disordered two-dimensional electron system in the quantum Hall regime Invited Peer-reviewed

    K. Hashimoto, J. Wiebe, T. Inaoka, Y. Hirayama, R. Wiesendanger, M. Morgenstern

    HORIBA INTERNATIONAL CONFERENCE: THE 19TH INTERNATIONAL CONFERENCE ON THE APPLICATION OF HIGH MAGNETIC FIELDS IN SEMICONDUCTOR PHYSICS AND NANOTECHNOLOGY　334　012008-1-012008-6　2011

    DOI： 10.1088/1742-6596/334/1/012008 　

    ISSN： 1742-6588

  48. High-sensitive optical measurement of spin polarization in a quantum Hall system Peer-reviewed

    H. Ito, T. Yamazaki, D. Fukuoka, K. Oto, K. Muro, Y. Hirayama, N. Kumada

    HORIBA INTERNATIONAL CONFERENCE: THE 19TH INTERNATIONAL CONFERENCE ON THE APPLICATION OF HIGH MAGNETIC FIELDS IN SEMICONDUCTOR PHYSICS AND NANOTECHNOLOGY　334　012021-1-012021-6　2011

    DOI： 10.1088/1742-6596/334/1/012021 　

    ISSN： 1742-6588

  49. Resistively detected NMR with dispersive lineshape in single InSb quantum wells Peer-reviewed

    K. F. Yang, H. W. Liu, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    HORIBA INTERNATIONAL CONFERENCE: THE 19TH INTERNATIONAL CONFERENCE ON THE APPLICATION OF HIGH MAGNETIC FIELDS IN SEMICONDUCTOR PHYSICS AND NANOTECHNOLOGY　334　012029-1-012029-4　2011

    DOI： 10.1088/1742-6596/334/1/012029 　

    ISSN： 1742-6588

  50. Anisotropy of Magnetoresistance Hysteresis around the nu=2/3 Quantum Hall State in Tilted Magnetic Field Peer-reviewed

    Kazuki Iwata, Masayuki Morino, Akira Fukuda, Norio Kumada, Zyun Francis Ezawa, Yoshiro Hirayama, Anju Sawada

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　79　(12)　123701-1-123701-4　2010/12

    DOI： 10.1143/JPSJ.79.123701 　

    ISSN： 0031-9015

  51. Dynamic nuclear polarization and nuclear magnetic resonance in the simplest pseudospin quantum Hall ferromagnet Peer-reviewed

    H. W. Liu, K. F. Yang, T. D. Mishima, M. B. Santos, Y. Hirayama

    PHYSICAL REVIEW B　82　(24)　241304-1-241304-4　2010/12

    DOI： 10.1103/PhysRevB.82.241304 　

    ISSN： 1098-0121

    eISSN： 1550-235X

  52. Skyrmion Effect on the Relaxation of SpinWaves in a Quantum Hall Ferromagnet Peer-reviewed

    D. Fukuoka, K. Oto, K. Muro, Y. Hirayama, N. Kumada

    PHYSICAL REVIEW LETTERS　105　(12)　126802-1-126802-4　2010/09

    DOI： 10.1103/PhysRevLett.105.126802 　

    ISSN： 0031-9007

  53. Selective polarization of nuclear spins in a wire-like quantum Hall system

    Takashi Kobayashi, Norio Kumada, Takeshi Ota, Satoshi Sasaki, Yoshiro Hirayama

    AIP Conf. Proc.　1199　241　2010/04/01

    DOI： 10.1063/1.3295389 　

  54. Time-Resolved Kerr Rotation Spectroscopy of Spin Dynamics in a Quantum Hall System

    D. Fukuoka, N. Tanaka, K. Oto, K. Muro, Y. Hirayama, N. Kumada, H. Yamaguchi

    AIP Conf. Proc.　1199　243　2010/04/01

    DOI： 10.1063/1.3295390 　

  55. Nuclear Spin Resonance Induced by Radio Frequency Electric Field

    N. Kumada, T. Kamada, Y. Hirayama, S. Miyashita, T. Fujisawa

    AIP Conf. Proc.　1199　461　2010/04/01

    DOI： 10.1063/1.3295506 　

  56. Fabrication and characterization of an induced GaAs single hole transistor Peer-reviewed

    O. Klochan, J. C. H. Chen, A. P. Micolich, A. R. Hamilton, K. Muraki, Y. Hirayama

    APPLIED PHYSICS LETTERS　96　(9)　092103-1-092103-3　2010/03

    DOI： 10.1063/1.3336011 　

    ISSN： 0003-6951

  57. Crystallographic anisotropy of the Zeeman splitting in 1D hole quantum wires Peer-reviewed

    O. Klochan, A. P. Micolich, L. H. Ho, A. R. Hamilton, K. Muraki, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　42　(4)　967-970　2010/02

    DOI： 10.1016/j.physe.2009.11.050 　

    ISSN： 1386-9477

  58. Spectroscopic study of nuclear magnetic resonance induced by oscillating electron spin domain walls Peer-reviewed

    S. Watanabe, G. Igarashia, K. Hashimoto, N. Kumada, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　42　(4)　999-1003　2010/02

    DOI： 10.1016/j.physe.2009.11.134 　

    ISSN： 1386-9477

  59. Strains in heterostructures detected by standard NMR Peer-reviewed

    M. Nishimori, S. Sasaki, S. Watanabe, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　42　(4)　1007-1009　2010/02

    DOI： 10.1016/j.physe.2009.11.066 　

    ISSN： 1386-9477

  60. Activation study of collective excitations of the soliton-lattice phase in the nu=1 double-layer quantum Hall state Peer-reviewed

    D. Terasawa, S. Kozumi, A. Fukuda, M. Morino, K. Iwata, N. Kumada, Y. Hirayama, Z. F. Ezawa, A. Sawada

    PHYSICAL REVIEW B　81　(7)　073303-1-073303-4　2010/02

    DOI： 10.1103/PhysRevB.81.073303 　

    ISSN： 1098-0121

  61. Nuclear spin polarization and relaxation probed by spin phase transition peak Peer-reviewed

    S. Watanabe, M. H. Fauzi, N. Kumada, Y. Hirayama

    PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 7, NO 10　7　(10)　2570-2573　2010

    DOI： 10.1002/pssc.200983904 　

    ISSN： 1862-6351

  62. Magnetotransport study in the layer imbalanced v = 1 bilayer quantum Hall state Peer-reviewed

    Y Ogasawara, A Fukuda, K Iwata, T Sekikawa, T Arai, Y Hirayama, Z F Ezawa, A Sawada

    J. Phys.: Conf. Ser.　150　022068-1-022068-4　2009/11

    DOI： 10.1088/1742-6596/150/2/022068 　

  63. Activation study of the pseudospin soliton in the v = 1 bilayer quantum Hall effect Peer-reviewed

    A Fukuda, D Terasawa, M Morino, K Iwata, S Kozumi, T Sekikawa, Y Ogasawara, T Arai, N Kumada, Y Hirayama, Z F Ezawa, A Sawada

    J. Phys.: Conf. Ser.　150　022012-1-022012-4　2009/11

    DOI： 10.1088/1742-6596/150/2/022012 　

  64. Microwave Magnetoplasmon Absorption by a 2DEG Stripe Peer-reviewed

    O. M. Fedorych, S.A. Studenikin, S. Moreau, M. Potemski, T. Saku, Y. Hirayama

    Int. J. Mod. Phys.　B23　2698-2702　2009/05/20

  65. Electron Spin Imaging in Quantum Hall Devices by Kerr Rotation Measurement Peer-reviewed

    K. Oto, R. Inaba, T. Yamada, T. Yamazaki, K. Muro, Y. Hirayama, N. Kumada, H. Yamaguchi

    Int. J. Mod. Phys.　B23　2750-2754　2009/05/20

  66. Optically Induced Dynamic Nuclear Spin Polarization in Quantum Hall Regime Observed by a Time-Resolved Kerr Rotation Peer-reviewed

    D. Fukuoka, N. Tanaka, K. Oto, K. Muro, Y. Hirayama, N. Kumada, H. Yamaguchi

    Int. J. Mod. Phys.　B23　2755-2759　2009/05/20

  67. Negative Magnetoresistance of a Silicon 2DEG under In-Plane Magnetic Field due to Spin-Splitting of Upper Subbands Peer-reviewed

    K. Takashina, Y. Niida, V. T. Renard, A. Fujiwara, T. Fujisawa, Y. Hirayama

    Int. J. Mod. Phys　B23　2938-2942　2009/05/20

  68. The interplay between one-dimensional confinement and two-dimensional crystallographic anisotropy effects in ballistic hole quantum wires Peer-reviewed

    O. Klochan, A. P. Micolich, L. H. Ho, A. R. Hamilton, K. Muraki, Y. Hirayama

    NEW JOURNAL OF PHYSICS　11　(4)　043018-1-043018-11　2009/04

    DOI： 10.1088/1367-2630/11/4/043018 　

    ISSN： 1367-2630

  69. Spin splitting of upper electron subbands in a SiO2/Si(100)/SiO2 quantum well with in-plane magnetic field Peer-reviewed

    Y. Niida, K. Takashina, A. Fujiwara, T. Fujisawa, Y. Hirayama

    APPLIED PHYSICS LETTERS　94　(14)　142101　2009/04

    DOI： 10.1063/1.3105987 　

    ISSN： 0003-6951

  70. Quantum Hall Transition in Real Space: From Localized to Extended States Peer-reviewed

    K. Hashimoto, C. Sohrmann, J. Wiebe, T. Inaoka, F. Meier, Y. Hirayama, R. A. Roemer, R. Wiesendanger, M. Morgenstern

    PHYSICAL REVIEW LETTERS　101　(25)　256802　2008/12

    DOI： 10.1103/PhysRevLett.101.256802 　

    ISSN： 0031-9007

  71. Evidence of a Transition from Nonlinear to Linear Screening of a Two-Dimensional Electron System Detected by Photoluminescence Spectroscopy Peer-reviewed

    M. Yamaguchi, S. Nomura, T. Maruyama, S. Miyashita, Y. Hirayama, H. Tamura, T. Akazaki

    PHYSICAL REVIEW LETTERS　101　(20)　207401　2008/11

    DOI： 10.1103/PhysRevLett.101.207401 　

    ISSN： 0031-9007

  72. Electric field induced nuclear spin resonance mediated by oscillating electron spin domains in GaAs-based semiconductors Peer-reviewed

    N. Kumada, T. Kamada, S. Miyashita, Y. Hirayama, T. Fujisawa

    PHYSICAL REVIEW LETTERS　101　(13)　137602-1-137602-4　2008/09

    DOI： 10.1103/PhysRevLett.101.137602 　

    ISSN： 0031-9007

  73. Spin dynamics of two-dimensional electrons in a quantum Hall system probed by time-resolved Kerr rotation spectroscopy Peer-reviewed

    D. Fukuoka, T. Yamazaki, N. Tanaka, K. Oto, K. Muro, Y. Hirayama, N. Kumada, H. Yamaguchi

    PHYSICAL REVIEW B　78　(4)　041304-1-041304-4　2008/07

    DOI： 10.1103/PhysRevB.78.041304 　

    ISSN： 1098-0121

  74. A gate-defined silicon quantum dot molecule Peer-reviewed

    Hongwu Liu, Toshimasa Fujisawa, Hiroshi Inokawa, Yukinori Ono, Akira Fujiwara, Yoshiro Hirayama

    APPLIED PHYSICS LETTERS　92　(22)　222104-1-222104-3　2008/06

    DOI： 10.1063/1.2938693 　

    ISSN： 0003-6951

  75. Manipulation of exchange coupling energy in a few-electron double quantum dot Peer-reviewed

    T. Hatano, S. Amaha, T. Kubo, Y. Tokura, Y. Nishi, Y. Hirayama, S. Tarucha

    PHYSICAL REVIEW B　77　(24)　241301-1-241301-4　2008/06

    DOI： 10.1103/PhysRevB.77.241301 　

    ISSN： 1098-0121

  76. Boundary-mediated electron-electron interactions in quantum point contacts Peer-reviewed

    V. T. Renard, O. A. Tkachenko, V. A. Tkachenko, T. Ota, N. Kumada, J. -C. Portal, Y. Hirayama

    PHYSICAL REVIEW LETTERS　100　(18)　186801-1-186801-4　2008/05

    DOI： 10.1103/PhysRevLett.100.186801 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  77. The 0.7 anomaly in one-dimensional hole quantum wires Peer-reviewed

    A. R. Hamilton, R. Danneau, O. Klochan, W. R. Clarke, A. P. Micolich, L. H. Ho, M. Y. Simmons, D. A. Ritchie, M. Pepper, K. Muraki, Y. Hirayama

    JOURNAL OF PHYSICS-CONDENSED MATTER　20　(16)　164205-1-164205-8　2008/04

    DOI： 10.1088/0953-8984/20/16/164205 　

    ISSN： 0953-8984

  78. Coherence time of nuclear spins in GaAs quantum well probed by submicron-scale all-electrical nuclear magnetic resonance device Peer-reviewed

    Takeshi Ota, Norio Kumada, Go Yusa, Sen Miyashita, Toshimasa Fujisawa, Yoshiro Hirayama

    JAPANESE JOURNAL OF APPLIED PHYSICS　47　(4)　3115-3117　2008/04

    DOI： 10.1143/JJAP.47.3115 　

    ISSN： 0021-4922

  79. Highly reproducible fabrication of back-gated GaAs/AlGaAs heterostructures using AuGeNi ohmic contacts with initial Ni layer Peer-reviewed

    Arnaud Valeille, Koji Muraki, Yoshiro Hirayama

    APPLIED PHYSICS LETTERS　92　(15)　152106-1-152106-3　2008/04

    DOI： 10.1063/1.2912034 　

    ISSN： 0003-6951

    eISSN： 1077-3118

  80. Modulation of bilayer quantum Hall states by tilted-field-induced subband-Landau-level coupling Peer-reviewed

    N. Kumada, K. Iwata, K. Tagashira, Y. Shimoda, K. Muraki, Y. Hirayama, A. Sawada

    PHYSICAL REVIEW B　77　(15)　155324-1-155324-7　2008/04

    DOI： 10.1103/PhysRevB.77.155324 　

    ISSN： 1098-0121

  81. Effects of in-plane magnetic field direction on the nuclear-spin relaxation in the nu=2/3 quantum Hall state Peer-reviewed

    K. Iwata, M. Morino, A. Fukuda, M. Suzuki, Z. F. Ezawa, A. Sawada, N. Kumada, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　1175-1177　2008/03

    DOI： 10.1016/j.physe.2007.08.113 　

    ISSN： 1386-9477

    eISSN： 1873-1759

  82. Anisotropic magnetotransport by the pseudospin soliton in the bilayer nu=1 quantum Hall system Peer-reviewed

    A. Fukuda, M. Morino, K. Iwata, D. Terasawa, S. Kozumi, N. Kumada, Y. Hirayama, Z. F. Ezawa, A. Sawada

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　1255-1257　2008/03

    DOI： 10.1016/j.physe.2007.08.112 　

    ISSN： 1386-9477

  83. Activation study of the bilayer nu=1/3 quantum Hall state Peer-reviewed

    A. Fukuda, K. Iwata, T. Sekikawa, T. Arai, N. Kumada, Y. Hirayama, Z. F. Ezawa, A. Sawada

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　1261-1263　2008/03

    DOI： 10.1016/j.physe.2007.08.119 　

    ISSN： 1386-9477

  84. Interplay between electrostatic and tunnel couplings in an independently contacted double quantum dot-quantum wire coupled device Peer-reviewed

    S. Sasaki, H. Tamura, S. Miyashita, T. Maruyama, T. Akazaki, Y. Hirayama, H. Takayanagi

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　1292-1294　2008/03

    DOI： 10.1016/j.physe.2007.08.052 　

    ISSN： 1386-9477

  85. Density dependent electron effective mass probed by photo luminescence down to dilute electron density limit Peer-reviewed

    Shintaro Nomura, Masumi Yamaguchi, Tatsushi Akazaki, Hiroyuki Tamura, Tatsuhi Maruyama, Sen Miyashita, Yoshiro Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　1467-1469　2008/03

    DOI： 10.1016/j.physe.2007.09.085 　

    ISSN： 1386-9477

  86. Optical mapping of properties of two-dimensional electron system in magnetic fields Peer-reviewed

    Nobuaki Hayashi, Kohei Tsumura, Shintaro Nomura, Masumi Yamaguchi, Hiroyuki Tamura, Tatsushi Akazaki, Yoshiro Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　1533-1535　2008/03

    DOI： 10.1016/j.physe.2007.09.132 　

    ISSN： 1386-9477

  87. Metallic behavior in low-disorder two-dimensional hole systems in the presence of long- and short-range disorder Peer-reviewed

    W. R. Clarke, C. E. Yasin, A. R. Hamilton, A. P. Micolich, M. Y. Simmons, K. Muraki, Y. Hirayama, M. Pepper, D. A. Ritchie

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　1599-1601　2008/03

    DOI： 10.1016/j.physe.2007.09.179 　

    ISSN： 1386-9477

  88. Electron-electron interactions in clean quantum point contacts in the large conductance regime Peer-reviewed

    V. T. Renard, O. A. Tkachenko, V. A. Tkachenko, T. Ota, N. Kumada, J. C. Portal, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　1684-1686　2008/03

    DOI： 10.1016/j.physe.2007.10.053 　

    ISSN： 1386-9477

  89. NMR study of a canted antiferromagnet in a bilayer quantum Hall system Peer-reviewed

    Norio Kumada, Koji Muraki, Yoshiro Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　40　(5)　937-941　2008/03

    DOI： 10.1016/j.physe.2007.08.063 　

    ISSN： 1386-9477

  90. Spin-dependent phase diagram of the nu(T)=1 bilayer electron system Peer-reviewed

    P. Giudici, K. Muraki, N. Kumada, Y. Hirayama, T. Fujisawa

    PHYSICAL REVIEW LETTERS　100　(10)　106803-1-106803-4　2008/03

    DOI： 10.1103/PhysRevLett.100.106803 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  91. Pauli-spin-blockade transport through a silicon double quantum dot Peer-reviewed

    H. W. Liu, T. Fujisawa, Y. Ono, H. Inokawa, A. Fujiwara, K. Takashina, Y. Hirayama

    Phys. Rev. B　B77　073310-1-073310-4　2008/02/21

    DOI： 10.1103/PhysRevB.77.073310 　

  92. Impact of long- and short-range disorder on the metallic behaviour of two-dimensional systems Peer-reviewed

    W. R. Clarke, C. E. Yasin, A. R. Hamilton, A. P. Micolich, M. Y. Simmons, K. Muraki, Y. Hirayama, M. Pepper, D. A. Ritchie

    NATURE PHYSICS　4　(1)　55-59　2008/01

    DOI： 10.1038/nphys757 　

    ISSN： 1745-2473

  93. Initialization and logic gate operations of nuclear spin qubits using a submicron scale resistively-detected NMR device Peer-reviewed

    T. Ota, G. Yusa, N. Kumada, S. Miyashita, T. Fujisawa, Y. Hirayama

    PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5, NO 1　5　(1)　306-+　2008

    DOI： 10.1002/pssc.200776540 　

    ISSN： 1862-6351

  94. Pseudospin soliton in the nu=1 bilayer quantum Hall state Peer-reviewed

    A. Fukuda, D. Terasawa, M. Morino, K. Iwata, S. Kozumi, N. Kumada, Y. Hirayama, Z. F. Ezawa, A. Sawada

    PHYSICAL REVIEW LETTERS　100　(1)　016801-1-016801-4　2008/01

    DOI： 10.1103/PhysRevLett.100.016801 　

    ISSN： 0031-9007

  95. Decoherence of nuclear spins due to dipole-dipole interactions probed by resistively detected nuclear magnetic resonance Peer-reviewed

    T. Ota, G. Yusa, N. Kumada, S. Miyashita, T. Fujisawa, Y. Hirayama

    APPLIED PHYSICS LETTERS　91　(19)　193101　2007/11

    DOI： 10.1063/1.2804011 　

    ISSN： 0003-6951

  96. Enhancement of electron and hole effective masses in back-gated GaAs/Al(x)Ga(1-x)As quantum wells Peer-reviewed

    S. Nomura, M. Yamaguchi, T. Akazaki, H. Tamura, T. Maruyama, S. Miyashita, Y. Hirayama

    PHYSICAL REVIEW B　76　(20)　201306　2007/11

    DOI： 10.1103/PhysRevB.76.201306 　

    ISSN： 1098-0121

  97. Dimensional oscillation in GaAs/AlAs quantum wells by two-dimensional standing surface acoustic waves Peer-reviewed

    Tetsuomi Sogawa, Hideki Gotoh, Yoshiro Hirayama, Paulo V. Santos, Klaus H. Ploog

    APPLIED PHYSICS LETTERS　91　(14)　141917　2007/10

    DOI： 10.1063/1.2790804 　

    ISSN： 0003-6951

  98. Semiconductor heterostructure studies using emerging technologies Invited Peer-reviewed

    Yoshiro Hirayama, Tetsuorni Sogawa, Kyoichi Suzuki, Viyoshi Kanisawa, Hiroshi Yamaguchi

    PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS　244　(8)　2988-3001　2007/08

    DOI： 10.1002/pssb.200675622 　

    ISSN： 0370-1972

  99. NMR evidence for spin canting in a bilayer nu=2 quantum hall system Peer-reviewed

    N. Kumada, K. Muraki, Y. Hirayama

    PHYSICAL REVIEW LETTERS　99　(7)　076805　2007/08

    DOI： 10.1103/PhysRevLett.99.076805 　

    ISSN： 0031-9007

  100. Anomolous Resistance Ridges along Filling Factor nyu=4i Peer-reviewed

    K. Takashina, M. Brun, T. Ota, K. Maude, A. Fujiwara, Y. Ono, Y. Takahashi, Y. Hirayama

    Phys. Rev. Lett.　99　036803　2007/07

    DOI： 10.1103/PhysRevLett.99.036803 　

  101. Imaging of subbands in InAs/GaSb double quantum wells by low-temperature scanning tunneling spectroscopy Peer-reviewed

    K. Suzuki, K. Kanisawa, S. Perraud, M. Ueki, K. Takashina, Y. Hirayama

    JOURNAL OF CRYSTAL GROWTH　301　97-100　2007/04

    DOI： 10.1016/j.jcrysgro.2006.11.251 　

    ISSN： 0022-0248

  102. Dramatic dependence of the Fermi level pinning strength on crystal orientation at clean surfaces of n-type In0.53Ga0.47As grown by molecular beam epitaxy Peer-reviewed

    Simon Perraud, Kiyoshi Kanisawa, Zhao-Zhong Wang, Yoshiro Hirayama

    JOURNAL OF CRYSTAL GROWTH　301　148-151　2007/04

    DOI： 10.1016/j.jcrysgro.2006.11.237 　

    ISSN： 0022-0248

  103. Imaging of interference between incident and reflected electron waves at an InAs/GaSb heterointerface by low-temperature scanning tunneling spectroscopy Peer-reviewed

    Kyoichi Suzuki, Kiyoshi Kanisawa, Simon Perraud, Mineo Ueki, Kei Takashina, Yoshiro Hirayama

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(4B)　2618-2621　2007/04

    DOI： 10.1143/JJAP.46.2618 　

    ISSN： 0021-4922

  104. Observation of subband standing waves in superlattices by low-temperature scanning tunneling spectroscopy Peer-reviewed

    K. Suzuki, K. Kanisawa, S. Perraud, M. Ueki, K. Takashina, Y. Hirayama

    JOURNAL OF APPLIED PHYSICS　101　(8)　081705　2007/04

    DOI： 10.1063/1.2722732 　

    ISSN： 0021-8979

  105. Nuclear spin population and its control toward initialization using an all-electrical submicron scale nuclear magnetic resonance device Peer-reviewed

    T. Ota, G. Yusa, N. Kumada, S. Miyashita, Y. Hirayama

    APPLIED PHYSICS LETTERS　90　(10)　102118　2007/03

    DOI： 10.1063/1.2711520 　

    ISSN： 0003-6951

    eISSN： 1077-3118

  106. Controlled resonant tunneling in a coupled double-quantum-dot system Peer-reviewed

    Gou Shinkai, Toshiaki Hayashi, Yoshiro Hirayama, Toshimasa Fujisawa

    APPLIED PHYSICS LETTERS　90　(10)　103116　2007/03

    DOI： 10.1063/1.2709905 　

    ISSN： 0003-6951

  107. Spatial imaging of two-dimensional electronic states in semiconductor quantum wells Peer-reviewed

    K. Suzuki, K. Kanisawa, C. Janer, S. Perraud, K. Takashina, T. Fujisawa, Y. Hirayama

    PHYSICAL REVIEW LETTERS　98　(13)　136802　2007/03

    DOI： 10.1103/PhysRevLett.98.136802 　

    ISSN： 0031-9007

  108. Growth of very-high-mobility AlGaSb/InAs high-electron-mobility transistor structure on si substrate for high speed electronic applications Peer-reviewed

    Y. C. Lin, H. Yamaguchi, E. Y. Chang, Y. C. Hsieh, M. Ueki, Y. Hirayama, C. Y. Chang

    APPLIED PHYSICS LETTERS　90　(2)　023509　2007/01

    DOI： 10.1063/1.2431567 　

    ISSN： 0003-6951

    eISSN： 1077-3118

  109. Dynamic suppression of nuclear-spin decoherence time in Si and GaAs using inversion pulses Peer-reviewed

    S. Watnabe, J. Harada, S. Sasaki, Y. Hirayama

    J. Magnetism and Magnetic Materials　310　2167　2007

    DOI： 10.1016/j.jmmm.2006.11.113 　

  110. Low Temperature Characteristics of Ambipolar SiO2/Si/SiO2 Hall-bar Devices Peer-reviewed

    K. Takashina, B. Gaillard, Y. Ono, Y. Hirayama

    Jpn. J. Appl. Phys.　46　2545-2553　2007

    DOI： 10.1143/JJAP.46.2596 　

  111. Unpinning of the Fermi level at (111)A clean surfaces of epitaxially grown n-type In0.53Ga0.47As Peer-reviewed

    Simon Perraud, Kiyoshi Kanisawa, Zhao-Zhong Wang, Yoshiro Hirayama

    APPLIED PHYSICS LETTERS　89　(19)　192110　2006/11

    DOI： 10.1063/1.2382731 　

    ISSN： 0003-6951

    eISSN： 1077-3118

  112. Electron spin and nuclear spin manipulation in semiconductor nanosystems Invited Peer-reviewed

    Yoshiro Hirayama, Go Yusa, Satoshi Sasaki

    PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS　243　(14)　3764-3772　2006/11

    DOI： 10.1002/pssb.200642259 　

    ISSN： 0370-1972

  113. Intersubband scattering in double-gate MOSFETs Peer-reviewed

    Kei Takashina, Yukinori Ono, Akira Fujiwara, Yasuo Takahashi, Yoshiro Hirayama

    IEEE TRANSACTIONS ON NANOTECHNOLOGY　5　(5)　430-435　2006/09

    DOI： 10.1109/TNANO.2006.880425 　

    ISSN： 1536-125X

  114. Stability of soliton lattice phase in the v=1 bilayer quantum Hall state under tilted magnetic fields Peer-reviewed

    D. Terasawa, A. Fukuda, S. Kozumi, A. Sawada, Z. F. Ezawa, N. Kumada, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　34　(1-2)　81-84　2006/08

    DOI： 10.1016/j.physe.2006.02.019 　

    ISSN： 1386-9477

  115. Anisotropic magneto transport near the v=2/3 quantum Hall state Peer-reviewed

    Masayuki Morino, Kazuki Iwata, Michiro Suzuki, Akira Fukuda, Anju Sawada, Zyun F. Ezawa, Norio Kumada, Yoshiro Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　34　(1-2)　152-155　2006/08

    DOI： 10.1016/j.physe.2006.03.123 　

    ISSN： 1386-9477

  116. Nuclear-spin-lattice relaxation in a v=1 bilayer quantum Hall system Peer-reviewed

    N. Kumada, K. Muraki, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　34　(1-2)　164-167　2006/08

    DOI： 10.1016/j.physe.2006.03.006 　

    ISSN： 1386-9477

  117. Electron-hole states in the fractional quantum Hall regime probed by photoluminescence Peer-reviewed

    Shintaro Nomura, Masumi Yamaguchi, Tatsushi Akazaki, Hiroyuki Tamura, Hideaki Takayanagi, Yoshiro Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　34　(1-2)　292-295　2006/08

    DOI： 10.1016/j.physe.2006.03.077 　

    ISSN： 1386-9477

    eISSN： 1873-1759

  118. Current focusing in InSb heterostructures Peer-reviewed

    A. R. Dedigama, D. Deen, S. Q. Murphy, N. Goel, J. C. Keay, M. B. Santos, K. Suzuki, S. Miyashita, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　34　(1-2)　647-650　2006/08

    DOI： 10.1016/j.physe.2006.03.050 　

    ISSN： 1386-9477

  119. Synthesis of terahertz electromagnetic wave pulses using amplitude-and-phase masks Peer-reviewed

    Ryuzi Yano, Hideki Gotoh, Yoshiro Hirayama, Toshiaki Hattori, Sen Miyashita

    CHEMICAL PHYSICS　326　(2-3)　577-582　2006/08

    DOI： 10.1016/j.chemphys.2006.03.021 　

    ISSN： 0301-0104

    eISSN： 1873-4421

  120. Electronic transport characteristics in a one-dimensional constriction defined by a triple-gate structure Peer-reviewed

    Huang-Ming Lee, Koji Muraki, Edward Yi Chang, Yoshiro Hirayama

    JOURNAL OF APPLIED PHYSICS　100　(4)　043701　2006/08

    DOI： 10.1063/1.2229493 　

    ISSN： 0021-8979

  121. Ballistic transport in induced one-dimensional hole systems Peer-reviewed

    O. Klochan, W. R. Clarke, R. Danneau, A. P. Micolich, L. H. Ho, A. R. Hamilton, K. Muraki, Y. Hirayama

    APPLIED PHYSICS LETTERS　89　(9)　092105　2006/08

    DOI： 10.1063/1.2337525 　

    ISSN： 0003-6951

  122. Spin manipulation in a double quantum-dot-quantum-wire coupled system Peer-reviewed

    S. Sasaki, S. Kang, K. Kitagawa, M. Yamaguchi, S. Miyashita, T. Maruyama, H. Tamura, T. Akazaki, Y. Hirayama, H. Takayanagi

    JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B　24　(4)　2024-2028　2006/07

    DOI： 10.1116/1.2218866 　

    ISSN： 1071-1023

  123. Negative Coulomb drag in a one-dimensional wire Peer-reviewed

    M. Yamamoto, M. Stopa, Y. Tokura, Y. Hirayama, S. Tarucha

    SCIENCE　313　(5784)　204-207　2006/07

    DOI： 10.1126/science.1126601 　

    ISSN： 0036-8075

  124. Low-frequency spin dynamics in a canted antiferromagnet Peer-reviewed

    Norio Kumada, Koji Muraki, Yoshiro Hirayama

    SCIENCE　313　(5785)　329-332　2006/07

    DOI： 10.1126/science.1127094 　

    ISSN： 0036-8075

    eISSN： 1095-9203

  125. Valley polarization in Si(100) at zero magnetic field Peer-reviewed

    K. Takashina, Y. Ono, A. Fujiwara, Y. Takahashi, Y. Hirayama

    PHYSICAL REVIEW LETTERS　96　(23)　236801　2006/06

    DOI： 10.1103/PhysRevLett.96.236801 　

    ISSN： 0031-9007

  126. Bidirectional counting of single electrons Peer-reviewed

    T Fujisawa, T Hayashi, R Tomita, Y Hirayama

    SCIENCE　312　(5780)　1634-1636　2006/06

    DOI： 10.1126/science.1126788 　

    ISSN： 0036-8075

  127. Optically detected cyclotron resonance in a high mobility 2D electron gas Peer-reviewed

    S. Moreau, M. Byszewski, M. L. Sadowski, M. Potemski, S. A. Studenikin, G. Austing, A. S. Sachrajda, T. Saku, Y. Hirayama

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　32　(1-2)　203-206　2006/05

    DOI： 10.1016/j.physe.2005.12.133 　

    ISSN： 1386-9477

  128. Nanometre-scale nuclear-spin device for quantum information processing Invited Peer-reviewed

    Y. Hirayama, A. Miranowicz, T. Ota, G. Yusa, K. Muraki, S. K. Ozdemir, N. Imoto

    JOURNAL OF PHYSICS-CONDENSED MATTER　18　(21)　S885-S900　2006/05

    DOI： 10.1088/0953-8984/18/21/S13 　

    ISSN： 0953-8984

    eISSN： 1361-648X

  129. Optical probing of composite fermions in a two-dimensional electron gas Peer-reviewed

    M Byszewski, B Chwalisz, DK Maude, ML Sadowski, M Potemski, T Saku, Y Hirayama, S Studenikin, DG Austing, AS Sachrajda, P Hawrylak

    NATURE PHYSICS　2　(4)　239-243　2006/04

    DOI： 10.1038/nphys273 　

    ISSN： 1745-2473

    eISSN： 1745-2481

  130. Magnetotransport study of the canted antiferromagnetic phase in bilayer nu=2 quantum Hall state Peer-reviewed

    A Fukuda, A Sawada, S Kozumi, D Terasawa, Y Shimoda, ZF Ezawa, N Kumada, Y Hirayama

    PHYSICAL REVIEW B　73　(16)　165304　2006/04

    DOI： 10.1103/PhysRevB.73.165304 　

    ISSN： 1098-0121

    eISSN： 1550-235X

  131. Real-time observation of charge states and energy relaxation in a double quantum dot Peer-reviewed

    Toshiaki Hayashi, Toshimasa Fujisawa, Ritsuya Tomita, Yoshiro Hirayama

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　45　(4B)　3629-3632　2006/04

    DOI： 10.1143/JJAP.45.3629 　

    ISSN： 0021-4922

  132. Fabrication of induced two-dimensional hole systems on (311)A GaAs Peer-reviewed

    WR Clarke, AP Micolich, AR Hamilton, MY Simmons, K Muraki, Y Hirayama

    JOURNAL OF APPLIED PHYSICS　99　(2)　023707　2006/01

    DOI： 10.1063/1.2163998 　

    ISSN： 0021-8979

    eISSN： 1089-7550

  133. Nonlocal control of the Kondo effect in a double quantum dot –quantum wire coupled system Peer-reviewed

    S. Sasaki, S. Kang, K. Kitagawa, M. Yamaguchi, S. Miyashita, T. Maruyama, H. Tamura, T. Akazaki, Y. Hirayama, H. Takayanagi

    Phys. Rev.　B73　161303(R)　2006

    DOI： 10.1103/PhysRevB.73.161303 　

  134. Quantum transport study of canted antiferromagnetic phase in the nyu=2 bilayer quantum Hall state Peer-reviewed

    Akira Fukuda, Shinsuke Kozumi, Daiju Terasawa, Yuichi Shimoda, Norio Kumada, Yoshiro Hirayama

    Physica　E34　77-80　2006

    DOI： 10.1016/j.physe.2006.06.001 　

  135. Micromechanical quantum electron transport Peer-reviewed

    H. Yamaguchi, H. Okamoto, S. Miyashita, M. Ueki, Y. Hirayama

    Seventh International Conference on New Phenomena in Mesoscopic Structures and Fifth International Conference on Surfaces and Interfaces of Mesoscopic Devices, 2005　38　152-157　2006

    DOI： 10.1088/1742-6596/38/1/037 　

    ISSN： 1742-6588

  136. Giant magnetopiezoresistance at the localized-extended electronic state transition in a high-mobility 2DEG system Peer-reviewed

    H. Yamaguchi, S. Miyashita, Y. Hirayama

    Phys. Stat. Sol. (c)　3　663　2006

    DOI： 10.1002/pssc.200564107 　

  137. Pauli blockade transport in the cotunneling regime through a double quantum dot Peer-reviewed

    H. W. Liu, T. Fujisawa, T. Hayashi, Y. Hirayama

    PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 3, NO 11　3　(11)　3766-+　2006

    DOI： 10.1002/pssc.200671532 　

    ISSN： 1862-6351

Show all ︎Show first 5

Misc. 1

  1. Electron-spin/nuclear-spin interactions and NMR in semiconductors

    Y. Hirayama, G. Yusa, K. Hashimoto, N. Kumada, T. Ota, K. Muraki

    SEMICONDUCTOR SCIENCE AND TECHNOLOGY　24　(2)　023001　2009/02

    DOI： 10.1088/0268-1242/24/2/023001 　

    ISSN： 0268-1242

Books and Other Publications 4

  1. 半導体量子構造の物理

    平山祥郎, 山口浩司, 佐々木智

    朝倉書店　2016/06/20

    ISBN: 9784254137859

  2. Quantum Hall Effect

    Yoshiro Hirayama

    World Scientific　2013/06

  3. 基礎からわかるナノデバイス

    青柳克信, 石橋幸治, 高柳英明, 中ノ勇人, 平山祥郎

    コロナ社　2011/03/22

    ISBN: 9784339008234

  4. Comprehensive Semiconductor Science and Technology

    Y. Hirayama

    Elsevier　2011/02/01

    ISBN: 9780444531438

Presentations 290

  1. Resistively-detected NMR in semiconductor quantum systems International-presentation

    Yoshiro Hirayama

    Frontiers in Quantum Materials and Devices Workshop (FQMD2017)　2017/07/13

  2. Imaging of Incompressible Strips in Quantum Hall System by Scanning Gate Microscopy International-presentation

    T. Tomimatsu, K. Hashimoto, S. Taninaka, K. Sato, Y. Hirayama

    Frontiers in Quantum Materials and Devices Workshop (FQMD2017)　2017/07/13

  3. Transport Characteristics and Resistively-Detected NMR in InSb and GaAs Quantum Systems International-presentation

    Yoshiro Hirayama

    Simons Program: Frontiers in Quantum Hall Physics　2017/07/10

  4. New aspects of compound semiconductor quantum-point-contact International-presentation

    Yoshiro Hirayama

    Collaborative Conference on Materials Research (CCMR) 2017　2017/06/26

  5. Microscopic Knight-shift measurements in the quantum-Hall breakdown system International-presentation

    K. Hashimoto, T. Tomimatsu, Y. Hirayama

    SpinTech IX: International School and Confdrence 2017　2017/06/04

  6. Comparison of quantum Hall breakdown characteristics in GaAs/AlGaAs and InGaAs/InP quantum wells between spin-polarized filling factor nu=1 and nu=3 states International-presentation

    D. G. Austing, K. Hashimoto, M. H. Fauzi, R. Higashida, K. Nagase, Y. Hirayama, V. Yu, M. Hilke, P. Poole, S. Studenikin

    SpinTech IX: International School and Confdrence 2017　2017/06/04

  7. Resistively-detected NMR lineshape variations in a quantum point contact International-presentation

    M. H. Fauzi, A. Singha, M. F. Sahdan, M. Takahashi, K. Sato, K. Nagase, B. Muralidharan, Y. Hirayama

    SpinTech IX: International School and Confdrence 2017　2017/06/04

  8. Electron transport through single self-assembledInSb quantum dots coupled to nanogap metal electrodes International-presentation

    Kenji Shibata, Masato Dori, Katsumi Nagase, Hiroyuki Sakaki, Yoshiro Hirayama, Kazuhiko Hirakawa

    CSW: Compound Semiconductor Week 2017　2017/05/14

  9. Scanning gate microscopy in quantum Hall system in the high current region International-presentation

    Toru Tomimatsu, Katsushi Hashimoto, Syunsuke Taninaka, Ken Sato, Yoshiro Hirayama

    CSW: Compound Semiconductor Week 2017　2017/05/14

  10. New Directions of Physics Studies in Semiconductor Quantum Systems International-presentation

    Yoshiro Hirayama

    Joint Workshop“World Leading Research for Future 10 Years -For International Industry-University Collaboration based on Cooperation between NCTU and Tohoku Univ.-“　2017/05/04

  11. Nuclear polarization and resistively-detected NMR in semiconductor quantum systems International-presentation

    Yoshiro Hirayama

    Regensburg-Tohoku Workshop on Solid-State Physics and Spintronics　2017/03/28

  12. Quantum transport and resistively-detected NMR in InSb quantum systems International-presentation

    Yoshiro Hirayama

    2017 Sweden-Japan International workshop on quantum nanophysics and nanoelectronics　2017/03/23

  13. 横電場印加によるInSb量子細線のサブバンド構造の変化

    稲岡毅, 増田貴史, 橋本克之, 平山祥郎

    日本物理学会第72回年次大会　2017/03/17

  14. 広範囲のランダウレベル充填率ν=1から2における電流励起核スピン偏極

    D.G. Austing, 橋本克之, M.H. Fauzi, 東田怜依, 高橋基, 長瀬勝美, 平山祥郎

    日本物理学会第72回年次大会　2017/03/17

  15. 量子ホール効果ブレークダウン領域の走査ゲート顕微鏡イメージの電流依存性

    冨松透, 谷中俊宥, 橋本克之, 佐藤健, 平山祥郎

    日本物理学会第72回年次大会　2017/03/17

  16. 半導体量子構造における核スピン偏極と抵抗検出NMR

    平山祥郎

    日本物理学会第72回年次大会　2017/03/17

  17. Brief Outline of MEXT Project "Science of Hybrid” International-presentation

    Yoshiro Hirayama

    German-Japanese Meeting on the Science of Hybrid Quantum Systems　2016/11/11

  18. Interaction between electron spins and nuclear spins in semiconductor quantum systems International-presentation

    Yoshiro Hirayama

    German-Japanese Meeting on the Science of Hybrid Quantum Systems　2016/11/11

  19. Interaction between electron and nuclear spins in GaAs and InSb quantum systems International-presentation

    Yoshiro Hirayama

    International workshop on nano-spin conversion science & quantum spin dynamics(NSCS-QSD)　2016/10/12

  20. 量子ホール効果ブレークダウン抵抗検出NMRを用いた二次元電子のスピン偏極度の測定

    東田怜依, 橋本克之, 白井翔太, 平山祥郎

    日本物理学会2016年秋季大会　2016/09/13

  21. 2倍共鳴周波数による核スピン共鳴マッピング

    橋本克之, 冨松透, 谷中俊宥, 佐藤健, 平山祥郎

    日本物理学会2016年秋季大会　2016/09/13

  22. 電荷、スピン、核スピンを用いたハイブリッド量子系

    平山 祥郎

    第77回応用物理学会秋季学術講演会　2016/09/13

  23. Scanning nuclear electric resonance microscopy in a quantum Hall system International-presentation

    K. Hashimoto, T. Tomimatsu, S. Shirai, S. Taninaka, K. Nagase, K. Sato, Y. Hirayama

    33rd International Conference on the Physics of Semiconductors (ICPS2016)　2016/07/31

  24. Transport characteristics of InSb trench-type in-plane-gate quantum point contact in parallel magnetic field International-presentation

    T. Masuda, K. Sekine, K. Nagase, K. S. Wickramasinghe, T. D. Mishima, M. B. Santos, Y. Hirayama

    33rd International Conference on the Physics of Semiconductors (ICPS2016)　2016/07/31

  25. Local detection of quadrupolar splitting in a triple gate quantum point contact International-presentation

    M. H. Fauzi, Y. Hirayama

    The 22nd International Conference on High Magnetic Fields in Semiconductor Physics (HMF-22)　2016/07/24

  26. Local probing of dynamic nuclear polarization induced by QHE breakdown current by using magneto-optical Kerr effect International-presentation

    J. Irobe, Y. Ariumi, R. Ishibashi, K. Oto, Y. Hirayama, N. Kumada

    The 22nd International Conference on High Magnetic Fields in Semiconductor Physics (HMF-22)　2016/07/24

  27. Knight shift measurements by using resistively-detected NMR based on quantum Hall effect breakdown International-presentation

    Rei Higashida, Katsushi Hashimoto, Shota Shirai, Yoshiro Hirayama

    The 22nd International Conference on High Magnetic Fields in Semiconductor Physics (HMF-22)　2016/07/24

  28. Controlled one-dimensional channel in a quantum point contact with a triple-gate structure International-presentation

    Motoi Takahashi, Mohammad, Hamzah Fauzi, Shunta Maeda, Katsumi Nagase, Ken Sato, Yoshiro Hirayama

    The 43rd International Symposium on Compound Semiconductors (ISCS2016)　2016/06/26

  29. Local Strain Engineering in Monolayer MoS2 International-presentation

    Wataru Tomita, Katsushi Hashimoto, Ziqian Wang, Mingwei Chen, Yoshiro Hirayama

    The 43rd International Symposium on Compound Semiconductors (ISCS2016)　2016/06/26

  30. Inter-edge-channel scattering in InSb two-dimensional system International-presentation

    K. Sekine, K. Kakuta, K. Nagase, Y. Hirayama

    Frontiers in Quantum Materials & Devices (FQMD) 2016　2016/06/13

  31. Resistively-detected nuclear based measurements in semiconductor quantum systems International-presentation

    Yoshiro Hirayama

    China-Japan International Workshop on Quantum Technologies (QTech 2016)　2016/05/13

  32. Quantum Transport and Nuclear Related Phenomena in GaAs and InSb Systems International-presentation

    Yoshiro Hirayama

    Recent Development in 2D Systems (RD2DS)　2016/04/04

  33. Knight shift measurements by using resistively-detected NMR based on quantum Hall effect breakdown International-presentation

    Rei Higashida, Katsushi Hashimoto, Shota Shirai, Yoshiro Hirayama

    Recent Development in 2D Systems (RD2DS)　2016/04/04

  34. GaAs量子ホール電子系の光渦照射による伝導度変化

    矢ヶ崎慶, 音賢一, 三野弘文, 尾松孝茂, 平山祥郎, 熊田倫雄

    日本物理学会第71回年次大会　2016/03/19

  35. トリプルゲート構造量子ポイントコンタクトの電子輸送特性

    高橋基, M. H. Fauzi, 長瀬勝美, 佐藤健, 平山祥郎

    日本物理学会第71回年次大会　2016/03/19

  36. InSb量子ポイントコンタクトにおける平行磁場中での伝導特性

    増田貴史, 関根和希, M. H. Fauzi, 長瀬勝美, K. S. Wickramasinghe, T. D. Mishima, M. B. Santos, 平山祥郎

    日本物理学会第71回年次大会　2016/03/19

  37. ブレークダウン電流による核スピン・ポンプとKerr効果を用いた局所的プロービング

    色部潤, 有海祐伺, 石橋凌駕, 音賢一, 平山祥郎, 熊田倫雄

    日本物理学会第71回年次大会　2016/03/19

  38. Nuclear spin relaxation in bilayer electrons total filling factor 2 quantum Hall effect

    M. H. Fauzi, Y. Hama, Y. Hirayama

    日本物理学会第71回年次大会　2016/03/19

  39. Nuclear spin polarization and manipulation in semiconductor quantum systems International-presentation

    Yoshiro Hirayama

    EMH HongKong Meeting　2015/12/09

  40. Nuclear Electric Resonance and its Application to Magnetic Resonance Imaging International-presentation

    K. Hashimoto, T. Tomimatsu, S. Shirai, K. Sato, Y. Hirayama

    Int. Symp. on Advanced Nanodevices and Nanotechnology (ISANN2015)　2015/11/29

  41. 新学術領域「ハイブリッド量子科学」の紹介と核スピンが関連した物性研究

    平山祥郎

    第9回物性科学領域横断研究会(領域合同研究会)　2015/11/13

  42. Nuclear spin polarization and manipulation in quantum Hall systems International-presentation

    Yoshiro Hirayama

    The 2015 Gordon Godfrey Workshop on Spins and Strongcorrelations　2015/11/02

  43. Optically induced nuclear spin polarization in the quantum Hall regime International-presentation

    K. Akiba, S. Kanasugi, T. Yuge, K. Nagase, Y. Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  44. Real-Space Observation of Nuclear Spin Resonance in a Quantum Hall System International-presentation

    K. Hashimoto, S. Taninaka, S. Shirai, T. Tomimatsu, K. Nagase, K. Sato, Y. Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  45. Current pumping time dependence on nuclear spin relaxation in bilayer total filling factor 2 quantum Hall effect International-presentation

    M. H. Fauzi, Y. Hama, Y. Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  46. Gate control and resistively detected NMR of InSb two-dimensional systems International-presentation

    M.M. Uddin, H. W. Liu, K. F. Yang, K. Nagase, K. Sekine, K. S. Wickramasinghe, T. D. Mishima, M. B. Santos, Y. Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  47. Transport Characteristics of Trench-gate Type Quantum Point Contact in Asymmetric Bias Voltage International-presentation

    T. Masuda, K. Sekine, K. Nagase, K. S. Wickramasinghe, T. D. Mishima, M. B. Santos, Y. Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  48. Hybrid Quantum Hall Systems International-presentation

    Y. Hama, M. H. Fauzi, K. Nemoto, Y. Hirayama, Z. F. Ezawa

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  49. Comparison of nuclear electric resonance and nuclear magnetic resonance in integer and fractional quantum Hall states International-presentation

    Toru Tomimatsu, Shota Shirai, Katsushi Hashimoto, Ken Sato, Rei Higashida, Yoshiro Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  50. NMR in a triple-gate quantum point contact International-presentation

    M. H. Fauzi, M. F. Sahdan, Y. Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  51. Scanning , gate microscopy of electron transport in the quantum Hall effect breakdown regime International-presentation

    S. Taninaka, K. Hashimoto, S. Shirai, K. Sato, K. Nagase, Y. Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  52. Properties of Triple-gate Type Quantum Point Contacts: Disopresented at 19rder and Gate-geometrical Effects International-presentation

    S. Maeda, S. Miyamoto, M. F. Sahdan, M. H. Fauzi, K. Nagase, K. Sato, Y. Hirayama

    International Workshop : Quantum Nanostructures and Electron-Nuclear Spin Interactions　2015/10/19

  53. GaAs量子構造の光励起核スピン偏極の抵抗検出

    平山祥郎

    平成27年度東北大学電気通信研究所共同プロジェクト研究会　2015/10/08

  54. Nuclear spin polarization and detection in quantum Hall systems International-presentation

    Yoshiro Hirayama

    Sweden-Japan QNANO Workshop　2015/09/24

  55. 量子ホール効果ブレイクダウンにおける走査ゲート顕微鏡イメージング

    谷中俊宥, 橋本克之, 白井翔太, 長瀬勝美, 佐藤健, 平山祥郎

    日本物理学会2015年秋季大会　2015/09/16

  56. 核スピン共鳴顕微鏡による量子ホールブレークダウンにおけるナイトシフト空間分布測定

    橋本克之, 谷中俊宥, 白井翔太, 富松透, 長瀬勝美, 佐藤健, 平山祥郎

    日本物理学会2015年秋季大会　2015/09/16

  57. 新学術領域・ハイブリッド量子科学・公募研究のアナウンス（量子情報シンポジウムセッション）

    平山祥郎

    第76回応用物理学会秋季学術講演会　2015/09/13

  58. Science of Hybrid Quantum Systems: New Grant-in-Aid for Scieintific Research on Innovative Areas

    Yoshiro Hirayama

    第5回半導体量子効果と量子情報の夏期研修会　2015/09/10

  59. Highly-sensitive Resistively-Detected Nuclear–Magnetic -Resonance in Compound Semiconductor Quantum Systems International-presentation

    Yoshiro Hirayama

    1st International conference on “Physics for sustainable development and Technology” (ICPSDT-2015)　2015/08/19

  60. Manipulation of a Nuclear Spin by a Magnetic Domain Wall in a Quantum Hall Ferromagnet International-presentation

    M. Korkusinski, P. Hawrylak, Y. Hirayama

    Joint Conference: EP2DS-21/MSS-17　2015/07/26

  61. Scanning gate microscopy of electron transport in the quantum Hall effect breakdown regime International-presentation

    S. Taninaka, K. Hashimoto, S. Shirai, T. Tomimatsu, K. Sato, K. Nagase, Y. Hirayama

    Joint Conference: EP2DS-21/MSS-17　2015/07/26

  62. Simultaneous Measurement of the Resistively and Optically Detected NMR Spectra in the nu= 2/3 Fractional Quantum Hall Effect International-presentation

    K. Akiba, K. Nagase, Y. Hirayama

    Joint Conference: EP2DS-21/MSS-17　2015/07/26

  63. Nuclear Spin Relaxation in the Canted Antiferromagnetic Phase International-presentation

    Y. Hama, M. H. Fauzi, K. Nemoto, Y. Hirayama

    Joint Conference: EP2DS-21/MSS-17　2015/07/26

  64. Real-Space Mapping of Nuclear Spin Resonance in a Quantum Hall System International-presentation

    K. Hashimoto, S. Shirai, T. Tomimatsu, S. Taninaka, K. Nagase, K. Sato, Y. Hirayama

    Joint Conference: EP2DS-21/MSS-17　2015/07/26

  65. Nuclear resonance in quantum Hall systems International-presentation

    Yoshiro Hirayama

    Frontiers in Quamtum Materials & Devices (FQMD)　2015/05/21

  66. Electron transport in triple-gated quantum point contacts International-presentation

    M. F. Sahdan, M. H. Fauzi, Y. Hirayama

    Frontiers in Quamtum Materials & Devices (FQMD)　2015/05/21

  67. 分数量子ホールドメインにおける電流誘起核スピン分布

    宮本聡, 羽田野剛司, M.H. Fauzi, 渡辺信嗣, 平山祥郎

    日本物理学会第70回年次大会　2015/03/21

  68. 量子ホール系における一重項トリオン発光を用いた電子スピン偏極度の推定

    秋葉圭一郎, 弓削達郎, 長瀬勝美, 平山祥郎

    日本物理学会第70回年次大会　2015/03/21

  69. 量子ホール効果のブレークダウンによる動的核スピン偏極の磁気光学Kerr効果による観測

    有海祐伺, 色部潤, 桐生直明, 音賢一, 平山祥郎, 熊田倫雄

    日本物理学会第70回年次大会　2015/03/21

  70. Sub-quantized Conductance's Dependency on Lateral Position in Triple Gate Quantum Point Contact

    Muhammad Fauzi Sahdan,Mohammad, Hamzah Fauzi, Yoshiro Hirayama

    日本物理学会第70回年次大会　2015/03/21

  71. 半導体量子構造における核スピン高感度測定

    平山祥郎

    第２回東北大学リーデイング大学院研究会プログラム「金属錯体の固体物性最前線 — 金属錯体と固体物性物理と生物物性の連携新領域を目指して —」　2015/02/20

  72. Optical nuclear spin polarization in quantum Hall regime probed by the resistive detection method at Laudau level filling factor nu=2/3 International-presentation

    K. Akiba, S. Kanasugi, T. Yuge, K. Nagase, Y. Hirayrama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  73. Real-space observation of nuclear spin polarization in a quantum Hall system International-presentation

    K. Hashimoto, S. Shirai, T. Tomimatsu, S. Taninaka, K. Nagase, K. Sato, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  74. RDNMR Studies of an InSb Two-Dimensional Electron Gas International-presentation

    H.W. Liu, K.F. Yang, K. Nagase, T.D. Mishima, M.B. Santos, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  75. Cooperative nuclear spin ensemble in bilayer quantum Hall effect at total filling 2 International-presentation

    M. H. Fauzi, Y. Hama, S. Watanabe, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  76. Quasiexciton-Quasielectron Trion Emission in the Fractional Quantum Hall Effect Regime International-presentation

    S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Hirayama, M. Korkusinski, P. Hawrylak

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  77. Dynamic nuclear polarization in InSb Hall bar and Corbino Disc Devices International-presentation

    K.F. Yang, H.W. Liu, K. Nagase, T.D. Mishima, M.B. Santos, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  78. Transport Characteristics of Trench-Gate InSb Quantum-Point-Contact International-presentation

    T. Masuda, K. Sekine, H. W. Liu, K. F. Yang, K. Nagase, M. H. Fauzi, K.S. Wickramasinghe, T. D. Mishima, M. B. Santos, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  79. Observation of the local density of states of MoS2 nanosheets using atomic forc emicroscope-assisted tunneling spectroscopy International-presentation

    Amin Vakhshouri, Katsushi Hashimoto, Yoshiro Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  80. Scanning Gate Microscopy in Hall Bar at ~100 mK International-presentation

    Toru Tomimatsu, Katsushi Hashimoto, Ken Sato, Yoshiro Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  81. Scanning gate microscopy of electron transport in the quantum Hall effect breakdown regime International-presentation

    S. Taninaka, K. Hashimoto, S. Shirai, T. Tomimatsu, K. Sato, K. Nagase, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  82. Nuclear Spin Resonance Induced by AC Electric Field in the Quantum Hall Regime International-presentation

    S. Shirai, T. Tomimatsu, K. Hashimoto, K. Sato, K. Nagase, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  83. Nanoscale Control of Nuclear Spins Mediated by Electrically Driven Fractional-Quantum-Hall Domain Wall Motions International-presentation

    S. Miyamoto, S. Watanabe, T. Hatano, M. H. Fauzi, K. Nagase, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  84. Impacts of Disorder and Gate Geometry on Quantum Point Contact Transport International-presentation

    S. Maeda, S. Miyamoto, M. F. Sahdan, M. H. Fauzi, K. Nagase, K. Sato, Y. Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  85. Lateral Position’s Dependency on Sub-quantized Conductance in Triple Gate Quantum Point Contact International-presentation

    Muhammad F. Sahdan, Shunta Maeda, Mohammad, H. Fauzi, Satoru Miyamoto, Yoshiro Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  86. Nuclear-Spin Observation of 1/f 2 Spectra of Decoherence Noise International-presentation

    Keisuke Matsumoto, Susumu Sasaki, Tatsuro Yuge, Yoshiro Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  87. Measurement of anisotropic nuclear spin diffusion in double quantum wells International-presentation

    Tsuyoshi Hatano, Keiichirou Akiba, Shinji Watanabe, Katsumi Nagase, Yoshiro Hirayama

    International Symposium on Quantum System and Nuclear Spin Related Phenomena (QSNS)　2015/02/18

  88. 核スピンを利用した高感度計測

    平山祥郎

    日本学術振興会151委員会　2015/01/23

  89. 核スピンが拓く新しいスピントロニクス―東北大学スピントロニクス国際共同大学院の紹介を含む―

    平山祥郎

    「スピントロニクス学術研究基盤と連携ネットワーク」構築に向けた共同研究会　2014/12/17

  90. Highly Sensitive Nuclear Magnetic Resonance and its Combination with Scanning Gate Technique International-presentation

    Yoshiro Hirayama

    The 22nd International Colloquium on Scanning Probe Microscopy (ICSPM22)　2014/12/11

  91. GaAs系トリプルゲートポイントコンタクト

    平山祥郎

    平成26年度東北大学電気通信研究所共同プロジェクト研究会　2014/11/13

  92. Non -linear transport in triple gate quantum point contact structures

    M. H. Fauzi, M. F. Sahdan, S. Maeda, S. Miyamoto, K. Nagase, K. Sato, Y. Hirayama

    4th Summer School on Semiconductor/Superconducting Quantum Coherence Effects and Quantum Information　2014/09/11

  93. ν=1/4近傍における三重項準励起子からの発光の消失

    野村晋太郎, 山口真澄, 田村浩之, 赤崎達志, 平山祥郎, M. Korkusinski, P. Hawrylak

    日本物理学会2014年秋季大会　2014/09/07

  94. 広範囲な充填率での交流電場核スピン共鳴測定

    橋本克之, 冨松透, 白井翔太, 佐藤健, 長瀬勝美, 平山祥郎

    日本物理学会2014年秋季大会　2014/09/07

  95. 量子井戸内の電子系が核スピン拡散へ与える影響

    羽田野剛司, 秋葉圭一郎, 渡辺信嗣, 長瀬勝美, 平山祥郎

    日本物理学会2014年秋季大会　2014/09/07

  96. Sub-quantized Conductance in Quantum Point Contact with Triple Gate Structure

    Muhammad Fauzi Sahdan,Mohammad, Hamzah Fauzi, Yoshiro Hirayama

    日本物理学会2014年秋季大会　2014/09/07

  97. Filling Factor Dependence of AC-Electric-Field-Induced Nuclear Spin Resonance International-presentation

    Shota Shirai, Toru Tomimatsu, Katsushi Hashimoto, Ken Sato, Katsumi Nagase, Yoshiro Hirayama

    32nd Int. Conf. on the Physics of Semiconductors (ICPS2014)　2014/08/10

  98. Resistively-detected Nuclear Resonance in Quantum Hall Systems International-presentation

    Yoshiro Hirayama

    The 21st International Conference on High Magnetic Fields in Semiconductor Physics (HMF-21)　2014/08/03

  99. Real-space imaging of nuclear spin resonance in quantum Hall effect breakdown International-presentation

    K. Hashimoto, S. Shirai, T. Tomimatsu, K. Sato, K. Nagase, Y. Hirayama

    The 21st International Conference on High Magnetic Fields in Semiconductor Physics (HMF-21)　2014/08/03

  100. Pump-probe nuclear electric resonance measurement using QHE breakdown International-presentation

    T. Tomimatsu, S. Shirai, K. Hashimoto, K. Sato, Y. Hirayama

    The 21st International Conference on High Magnetic Fields in Semiconductor Physics (HMF-21)　2014/08/03

  101. Disordered one-dimensional transport defined by a triple-gate structure International-presentation

    S. Maeda, S. Miyamoto, K. Nagase, K. Sato, Y. Hirayama

    Int. Conf. on Compound Semiconductors (ISCS)　2014/05/11

  102. 縦結合量子ポイントコンタクトにおけるトンネル結合の電気的制御

    一ノ倉聖, 羽田野剛司, 泉田渉, 長瀬勝美, 平山祥郎

    日本物理学会2014春季大会　2014/03/27

  103. トリプルゲート構造を用いた乱雑さを含む一次元系における伝導特性

    前田舜太, 宮本聡, 長瀬勝美, 佐藤健, 平山祥郎

    日本物理学会2014春季大会　2014/03/27

  104. 交流電場による核スピン共鳴の電子充填率依存性

    白井翔太, 富松透, 橋本克之, 佐藤健, 平山祥郎

    日本物理学会2014春季大会　2014/03/27

  105. 走査ゲート顕微鏡による電流励起核スピン偏極の空間分布測定

    橋本克之, 白井翔太, 冨松透, 佐藤健, 平山祥郎

    日本物理学会2014春季大会　2014/03/27

  106. 動的核スピン偏極の抵抗検出と光検出の同時測定

    秋葉圭一郎, 長瀬勝美, 平山祥郎

    日本物理学会2014春季大会　2014/03/27

  107. 2次元電子系のゆらぎによるKerrシグナルへの影響とスピンイメージング

    長尾佳介, 有海祐伺, 桐生直明, 音賢一, 熊田倫雄, 平山祥郎

    日本物理学会2014春季大会　2014/03/27

  108. Development of a combined atomic force/scanning tunneling microscope for study of layered semiconductor systems

    A.Vakhshouri, K. Hashimoto, Y. Hirayama

    第7回東北大学６専攻シンポジウム　2014/02/20

  109. ALD絶縁膜を用いたInSb二次元系のゲート制御

    関根和希, M.M. Uddin, H. W. Liu, K. F. Yang, 長瀬勝美, C, K.Gaspe, T.D.Mishima, M.B. Santos, 平山祥郎

    グリーン・ナノエレクトロニクスGNC symposium2014　2013/12/17

  110. InSbヘテロ構造のゲート制御

    平山祥郎

    平成25年度東北大学電気通信研究所共同プロジェクト研究会　2013/10/31

  111. Effects of Valley Polarization on Spin Polasrization in a Silicon 2DEG International-presentation

    V. T. Renard, B. A. Piot, Y. Niida, D. Tregurtha, A. Fujiwara, Y. Hirayama, X. Waintal, G. Fleury, K. Takashina

    20thEP2DS/16thMSS　2013/07/01

  112. Influence of intervalley scattering on the metallic behavior in Si MOSFETs International-presentation

    V. T. Renard, I. Duchemin, Y. Niida, A. Fujiwara, Y. Hirayama, K. Takashina

    20thEP2DS/16thMSS　2013/07/01

  113. Local detection of nuclear spin resonance in a quantum-Hall-related system International-presentation

    K. Hashimoto, T. Tomimatsu, K. Sato, Y. Hirayama

    20thEP2DS/16thMSS　2013/07/01

  114. Electrical control of coupling characteristics in vertically-stacked double-quantum-point-contact International-presentation

    S. Ichinokura, T. Hatano, K. Nagase, W. Izumida, Y. Hirayama

    20thEP2DS/16thMSS　2013/07/01

  115. Possible Observation of Nuclear Superradiant Emission in Quantum Hall System International-presentation

    M. H. Fauzi, Y. Hirayama

    20thEP2DS/16thMSS　2013/07/01

  116. Layer-thinning of MoS2 using electron beam and atomic force miscroscope International-presentation

    Amin Vakhshouri, Katsumi Nagase, Katsushi Hashimoto, Yoshiro Hirayama

    Int. Symp. on Compound Semicond. (ISCS2013)　2013/05/19

  117. Resistively-Detected Nuclear Electric Resonance Mediated by nu = 1 Quantum Hall Ferromagnet International-presentation

    Katsushi Hashimoto, Shunya Ninomiya, Toru Tomimatsu, Ken Sato, Yoshiro Hirayama

    Int. Symp. on Compound Semicond. (ISCS2013)　2013/05/19

  118. Layer-thiunning of MoS2 using electron beam and atomic force microscope (29a-F1-8)

    Amin Vakhshouri, Katsumi Nagase, Katsushi Hashimoto, Yoshiro Hirayama

    応用物理学会春季学術講演会　2013/03/27

  119. InSb Quantum Wells with Excellent Gate Controllability (28p-A8-9)

    M. M. Uddin, H. W. Liu, K. F. Yang, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    応用物理学会春季学術講演会　2013/03/27

  120. ゲート付非対称二重量子井戸における井戸内および井戸間二次元電子系発光

    野村晋太郎, 山口真澄, 田村浩之, 赤崎達志, 平山祥郎

    日本物理学会2013春季大会　2013/03/26

  121. フーリエ変換走査トンネル分光によるランダウレベル波動関数の形状観察

    橋本克之, Thierry Champel, Serge Florens, Rudolf Roemer, 平山祥郎,Rola, Wiesendanger, Markus Morgenstern

    日本物理学会2013春季大会　2013/03/26

  122. サニャック干渉計を用いた量子ホール電子系の高感度スピン偏極イメージング

    軍司雄太, 長尾佳介, 桐生直明, 音賢一, 室清文, 熊田倫雄, 平山祥郎

    日本物理学会2013春季大会　2013/03/26

  123. 二重量子井戸構造における電流誘起核スピン偏極及び核スピン拡散による縦抵抗の変化

    羽田野剛司, 秋葉圭一郎, 渡辺信嗣, 長瀬勝美, 平山祥郎

    日本物理学会2013春季大会　2013/03/26

  124. 量子ホール系における光学的核スピン偏極のメカニズム

    秋葉圭一郎, 弓削達郎, 金杉静子, 長瀬勝美, 平山祥郎

    日本物理学会2013春季大会　2013/03/26

  125. 量子ホール状態における核スピン偏極率の温度依存性

    山口薫, 渡辺信嗣, 長瀬勝美, 平山祥郎

    日本物理学会2013春季大会　2013/03/26

  126. 量子ホール電子系における希釈冷凍機温度でのKerr回転イメージング

    長尾佳介, 軍司雄太, 桐生直明, 音賢一, 室清文, 熊田倫雄, 平山祥郎

    日本物理学会2013春季大会　2013/03/26

  127. Low-Temperature Magneto-Transport Characteristics of CVD Graphene

    N.Abe, Y.Hirayama, K.Nagase, A.Yamada, K.Hayashi, S.Sato, N.Yokoyama

    グリーン・ナノエレクトロニクスのコア技術開発 2013年 成果報告会　2013/03/13

  128. Nuclear spin -environmental interactions in semiconductor systems International-presentation

    Yoshiro Hirayama

    3rd Japan-Israel Binational Workshop on Quantum Phenomena　2013/03/10

  129. Electron spin and nuclear spin interactions in GaAs quantum structures International-presentation

    Yoshiro Hirayama

    Harvard Joint Workshop; New Directions in Materials for Nanoelectronics, Spintronics and Photonics (10th RIEC International Workshop on Spintronics)　2013/01/16

  130. Nuclear Magnetometry, Domain Walls, and Electron-Nuclear Spin Dynamics in the Quantum Hall Regime International-presentation

    M. H. Fauzi, S. Watanabe, Y. Hirayama

    Tohoku-Harvard Joint Workshop; New Directions in Materials for Nanoelectronics, Spintronics and Photonics (10th RIEC International Workshop on Spintronics)　2013/01/16

  131. InSb Quantum Wells with Atomic Layer Deposited Gate Dielectrics International-presentation

    M. M. Uddin, H. W. Liu, K. F. Yang, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    Tohoku-Harvard Joint Workshop; New Directions in Materials for Nanoelectronics, Spintronics and Photonics (10th RIEC International Workshop on Spintronics)　2013/01/16

  132. Gate control of InSb two-dimensional systems and its application to resistively-detected NMR International-presentation

    Yoshiro Hirayama

    The 11th Sweden- Japan Workshop on Quantum Nanophysics and Nanoelectronics (QNANO)　2013/01/13

  133. Evidence of Strong Coupling Between Electron and Nuclear Spin Systems in Two-dimensional Quantum Wells International-presentation

    Mohammad H. Fauzi, Yoshiro Hirayama

    2012 Workshop on Innovative Nanoscale Devices and Systems (WINDS)　2012/12/02

  134. 低磁場低電子密度領域における電子占有数に依存したg-因子の増大

    野村晋太郎, 山口真澄, 田村浩之, 赤崎達志, 平山祥郎

    日本物理学会2012秋季大会　2012/09/18

  135. ポンプ ― プローブ法による量子ホール効果ブレークダウン領域のNMR測定

    冨松透, 橋本克之, 二宮駿也, 平山祥郎

    日本物理学会2012秋季大会　2012/09/18

  136. 極低温走査ゲート顕微鏡の開発と局所電場印加した二次元電子ガスの抵抗マッピング

    冨松透, 橋本克之, 二宮駿也, 平山祥郎

    日本物理学会2012秋季大会　2012/09/18

  137. 走査ゲート顕微鏡による量子ホール効果ブレークダウンでの局所核スピン検出

    橋本克之, 冨松透, 二宮駿也, 平山祥郎

    日本物理学会2012秋季大会　2012/09/18

  138. 二重量子井戸構造における核スピンの拡散と緩和

    羽田野剛司, 秋葉圭一郎, 渡辺信嗣, 長瀬勝美, 平山祥郎

    日本物理学会2012秋季大会　2012/09/18

  139. 整数量子ホール効果を用いた光学的核スピン偏極の抵抗検出

    秋葉圭一郎, 金杉静子, 長瀬勝美, 平山祥郎

    日本物理学会2012秋季大会　2012/09/18

  140. 縦に結合したポイントコンタクトの量子化伝導特性

    一ノ倉聖, 羽田野剛司, 泉田渉, 長瀬勝美, 平山祥郎

    日本物理学会2012秋季大会　2012/09/18

  141. Magnetotransport Properties of InSb Two-Dimensional Electron Gas with Gate Dielectric Al2O3

    M.M. Uddin, H.W. Liu, K.F. Yang, T.D. Mishima, M.B. Santos, K. Nagase, Y. Hirayama

    応用物理学会2012秋季大会　2012/09/11

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  142. Effect of Gate Dielectric on Transport Properties of InSb Two-Dimensional Electron Gas International-presentation

    M. M. Uddin, H. W. Liu, K. F. Yang, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    39th Int. Symp. on Compound Semiconductors (ISCS2012)　2012/08/27

  143. Electronic transport properties in vertically coupled quantum point contacts International-presentation

    S. Ichinokura, T. Hatano, W. Izumida, K. Nagase, Y. Hirayama

    39th Int. Symp. on Compound Semiconductors (ISCS2012)　2012/08/27

  144. Localized Nuclear Spin Resonance Mediated by Electrical-Field-Induced Domain Oscillation International-presentation

    Satoru Miyamoto, Tomonori Miura, Shinji Watanabe, Katsumi Nagase, Yoshiro Hirayama

    31st Int. Conf on Physics Semicond. (ICPS2012)　2012/07/29

  145. Fine structures in photoluminescence in the fractional quantum Hall regime in low magnetic field International-presentation

    Shintaro Nomura, Masumi Yamaguchi, Hiroyuki Tamura, Tatsushi Akazaki, Yoshiro Hirayama, Marek Korkusinski, Pawel Hawrylak

    31st Int. Conf on Physics Semicond. (ICPS2012)　2012/07/29

  146. High Sensitive Electron Spin Imaging in Quantum Hall Devices by Sagnac Interferometer International-presentation

    Kenichi Oto, Yuta Gunji, Keisuke Nagao, Kiyofumi Muro, Norio Kumada, Yoshiro Hirayama

    31st Int. Conf on Physics Semicond. (ICPS2012)　2012/07/29

  147. Electron gyroscope with high-mobility electrons on a cylindrical surface International-presentation

    Klaus-Juergen Friedland, Duncan K. Maude, Hajime Okamoto, Hiroshi Yamaguchi, Mohammad Hanzah Fauzi, Yoshiro Hirayama

    31st Int. Conf on Physics Semicond. (ICPS2012)　2012/07/29

  148. Spin and Valley Polarization Dependence of Resistivity in Two Dimensions International-presentation

    Kei Takashina, Yoshitaka Niida, Vincent Renard, Benjamin Piot, David Tregurtha, Akira Fujiwara, Yoshiro Hirayama

    31st Int. Conf on Physics Semicond. (ICPS2012)　2012/07/29

  149. Nuclear-Spin Observation of Noise Spectra in Semiconductors International-presentation

    Susumu Sasaki, Tatsuro Yuge, Masashi Nishimori, Takashi Kawanago, Yoshiro Hirayama

    31st Int. Conf on Physics Semicond. (ICPS2012)　2012/07/29

  150. Spin-phase transition spectroscopy to probe spin dynamics in quantum Hall systems International-presentation

    M. H. Fauzi, S. Watanabe, Y. Hirayama

    20th Int. Conf. on High Magnetic Fields in Semiconductor Physics (HMF-20)　2012/07/22

  151. 空間分布をもつ光学的核スピン偏極によるν=2/3スピン相転移ピークの変化

    秋葉圭一郎, 金杉静子, 長瀬勝美, 平山祥郎

    日本物理学会2012年第67回年次大会　2012/03/24

  152. 量子細線構造を用いたミクロスコピックNER

    三浦智宣, 宮本聡, 渡辺信嗣, 長瀬勝美, 平山祥郎

    日本物理学会2012年第67回年次大会　2012/03/24

  153. 縦方向に結合した量子ポイントコンタクトの電気伝導特性

    一ノ倉聖, 羽田野剛司, 泉田渉, 長瀬勝美, 平山祥郎

    日本物理学会2012年第67回年次大会　2012/03/24

  154. サニャック干渉計による量子ホール電子系のスピン偏極計測

    軍司雄太, 長尾圭介, 音賢一, 室清文, 熊田倫雄, 平山祥郎

    日本物理学会2012年第67回年次大会　2012/03/24

  155. 分数量子ホール領域の発光微細構造の温度依存性

    野村晋太郎, 山口真澄, 田村浩之, 赤崎達志, 平山祥郎

    日本物理学会2012年第67回年次大会　2012/03/24

  156. Low Temperature Transport Characteristics of CVD Grown Graphene International-presentation

    N. Abe, A. Yamada, K. Hayashi, S. Sato, N. Yokoyama, Y. Niida, K. Nagase, Y. Hirayama

    Int. Symp. On “Development of Core Technologies for Green Nanoelectronics”　2012/03/14

  157. Spectrum of Dephasing Noise on a Qubit - Theory and Experiment International-presentation

    S. Sasaki, T. Yuge, M. Nishimori, T. Kawanago, H. Tanaka, Y. Hirayama

    International Symposium on Advanced Nanodevices and Nanotechnology (ISANN 2011)　2011/12/04

  158. 量子物性研究における理論と実験

    平山祥郎

    数学・数理科学と諸科学・産業との連携研究ワークショップ　2011/11/29

  159. Quantized cyclotron orbits observed by Fourier transform scanning tunneling microscopy International-presentation

    K. Hashimoto, T. Champel, C. Sohrmann, J. Wiebe, Y. Hirayama, R. A. Roemer, S. Florens, R. Wiesendanger, M. Morgenstern

    Int. Workshop on Quantum Nanostructures and Nanoelectronics (QNN2011)　2011/10/03

  160. Gate Controlled InSb Two-Dimensional Electron Gas and its Perspectives International-presentation

    M. M. Uddin, H. W. Liu, K. F. Yang, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    Int. Workshop on Quantum Nanostructures and Nanoelectronics (QNN2011)　2011/10/03

  161. 多重パルス照射による固体中の核スピン・コヒーレンス増大と雑音スペクトル

    佐々木進, 弓削達郎, 川中子隆, 三島一展, 垣内渉, 平山祥郎

    日本物理学会2011年秋季大会　2011/09/21

  162. 多重パルス列によるノイズスペクトルの測定

    弓削達郎, 佐々木進, 平山祥郎

    日本物理学会2011年秋季大会　2011/09/21

  163. 分数量子ホール領域の発光の微細構造（２）

    野村晋太郎, 山口真澄, 田村浩之, 赤崎達志, 平山祥郎

    日本物理学会2011年秋季大会　2011/09/21

  164. 量子ホール効果ブレークダウンによる核スピン偏極の電流・フィリングファクター依存性

    富松透, 橋本克之, 平山祥郎

    日本物理学会2011年秋季大会　2011/09/21

  165. 量子ホール２次元電子系における熱平衡状態の核スピン編極率の充填率依存性

    渡辺信嗣, 熊田倫雄, 平山祥郎

    日本物理学会2011年秋季大会　2011/09/21

  166. nu=2/3量子ホール効果を用いた二層量子井戸間の核スピン拡散

    羽田野剛司, 久米航, 秋葉圭一郎, 渡辺信嗣, 長瀬勝美, 平山祥郎

    日本物理学会2011年秋季大会　2011/09/21

  167. 抵抗検出された光学的核スピン偏極の占有率依存性

    秋葉圭一郎, 金杉静子, 長瀬勝美, 平山祥郎

    日本物理学会2011年秋季大会　2011/09/21

  168. 光学的核スピン偏極での照射光条件の抵抗検出を用いた評価

    金杉静子, 秋葉圭一郎, 長瀬勝美, 平山祥郎

    日本物理学会2011年秋季大会　2011/09/21

  169. Optical nuclear polarization and its resistive detection by spin phase transition peak in nu=2/3 quantum Hall regime International-presentation

    K. Akiba, S. Kanasugi, K. Nagase, Y. Hirayama

    The 19th Int. Conf. on Electronic Properties of Two-Dimensional System (EP2DS19)　2011/07/25

  170. Measurement of nuclear spin diffusion in double quantum wells International-presentation

    T. Hatano, W. Kume, K. Akiba, S. Watanabe, K. Nagase, Y. Hirayama

    The 19th Int. Conf. on Electronic Properties of Two-Dimensional System (EP2DS19)　2011/07/25

  171. Filling-factor dependence of nuclear spin polarization in quantum Hall regime International-presentation

    S. Watanabe, N. Kumada, Y. Hirayama

    The 19th Int. Conf. on Electronic Properties of Two-Dimensional System (EP2DS19)　2011/07/25

  172. Subband energy manipulation by gate voltages in a Si (100) hole system International-presentation

    Y. Niida, K. Takashina, A. Fujiwara, Y. Ono, Y. Hirayama

    The 19th Int. Conf. on Electronic Properties of Two-Dimensional System (EP2DS19)　2011/07/25

  173. All Electrical Probe of Nuclear Spin Polarization and Relaxation by Spin Phase Transition Peaks of the Filling Factor nu=2/3 Quantum Hall Effect International-presentation

    M. H. Fauzi, S. Watanabe, N. Kumada, Y. Hirayama

    15th Int. Symp. on the Physics of Semiconductors and Applications (ISPSA-XV)　2011/07/05

  174. Resistively-detected nuclear-magnetic-resonance in InSb two-dimensional electron systems International-presentation

    Yoshiro Hirayama, Hongwu Liu

    Japan-Sweden QNANO Workshop (QNANO2011)　2011/06/12

  175. Electrical transport properties in single-walled carbon nanotubes networks International-presentation

    K. Snoussi, A. Vakhshouri, H. Okimoto, T. Takenobu, Y. Iwasa, S. Maruyama, K. Hashimoto, Y. Hirayama

    38th Int. Conf. on Compound Semiconductors (ISCS2011)　2011/05/22

  176. Dynamic nuclear polarization in asingle InSb 2DEG at elevated temperatures International-presentation

    H. W. Liu, K. Yang, K. Nagase, T. D. Mishima, M. B. Santos, Y. Hirayama

    38th Int. Conf. on Compound Semiconductors (ISCS2011)　2011/05/22

  177. 量子ホール領域における熱偏極した核スピン偏極率の充填率依存性

    渡辺信嗣, 熊田倫雄, 平山祥郎

    日本物理学会2011年春季大会　2011/03/25

  178. 二層量子井戸構造における核スピン拡散

    久米航, 羽田野剛司, 秋葉圭一郎, 長瀬勝美, 平山祥郎

    日本物理学会2011年春季大会　2011/03/25

  179. DC measurements of resistively detected NMR in single InSb quantum wells: characterization of a dispersive lineshape

    K. F. Yang, H. W. Liu, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    日本物理学会2011年春季大会　2011/03/25

  180. 占有率2/3スピン相転移ピークを用いた光学的核スピン偏極の抵抗検出

    金杉静子, 秋葉圭一郎, 長瀬勝美, 平山祥郎

    日本物理学会2011年春季大会　2011/03/25

  181. 光励起電子スピンによる核スピン操作

    秋葉圭一郎, 弓削達郎, 平山祥郎

    日本物理学会2011年春季大会　2011/03/25

  182. 核スピン制御による固体中の低周波ゆらぎスペクトルの直接観察

    佐々木進, 弓削達郎, 川中子隆, 三島一展, 垣内渉, 平山祥郎

    日本物理学会2011年春季大会　2011/03/25

  183. 多重パルス照射によるゆらぎスペクトルの決定法

    弓削達郎, 佐々木進, 川中子隆, 三島一展, 垣内渉, 平山祥郎

    日本物理学会2011年春季大会　2011/03/25

  184. 分数量子ホール領域の発光の微細構造

    野村晋太郎, 山口真澄, 田村浩之, 赤崎達志, 平山祥郎

    日本物理学会2011年春季大会　2011/03/25

  185. 高次ランダウレベルの電子状態観察

    橋本克之, R.A.Romer, 平山祥郎

    日本物理学会2011年春季大会　2011/03/25

  186. Towards all-electrical spectroscopy on nuclear spin polarization probed by spin-phase transition peak of the filling factor nu=2/3 International-presentation

    M. H. Fauzi, S. Watanabe, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  187. Filling-factor dependence of nuclear-spin polarization in quantum Hall regime International-presentation

    S. Watanabe, N. Kumada, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  188. Nuclear spin diffusion in bilayer quantum well structures International-presentation

    T. Hatano, W. Kume, K. Akiba, S. Watanabe, K. Nagase, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  189. Estimation of noise spectrum by multiple pulse sequence International-presentation

    T. Yuge, Y. Hirayama, S. Sasaki

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  190. Nonlinear magnetic field dependence of spin polarization in single InSb quantum wells International-presentation

    K. F. Yang, H. W. Liu, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  191. Resistively Detected Nuclear Magnetic Resonance in a Single InSb 2DEGs International-presentation

    H. W. Liu, K. F. Yang, K. Nagase, T. D. Mishima, M. B. Santos, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  192. Electrical transport properties in single-walled carbon nanotubes networks International-presentation

    K. Snoussi, A. Vakhshouri, H. Okimoto, T. Takenobu, Y. Iwasa, S. Maruyama, K. Hashimoto, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  193. Spin-orbit effect in Si two-dimensional hole systems International-presentation

    Y. Niida, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  194. Imaging of Landau wave functions in integer quantum Hall regime International-presentation

    K. Hashimoto, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  195. Optical pumping and resistive detection of nuclear spins by spin phase transition peak at nu=2/3 quantum Hall regime International-presentation

    K. Akiba, S. Kanasugi, K. Nagase, Y. Hirayama

    2nd Symposium on Carrier Interaction and Nuclear Spin Related Phenomena　2011/02/16

  196. Composite Fermion picture for photoluminescence in the fractional quantum Hall effect regime International-presentation

    S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Hirayama, P. Hawrylak

    Int. Symp. On Nanoscale Transport and Technology (ISNTT2011)　2011/01/11

  197. Resistive detection of optically pumped nuclear spins by using spin phase transition peak at nu=2/3 quantum Hall regime International-presentation

    K. Akiba, S. Kanasugi, K. Nagase, Y. Hirayama

    Int. Symp. On Nanoscale Transport and Technology (ISNTT2011)　2011/01/11

  198. Nuclear spin polarization and relaxation detected by nu=2/3 spin phase transition spectroscopy International-presentation

    Yoshiro Hirayama

    Condensed Matter Physics at the Coogee Bay　2010/12/17

  199. Nuclear-Spin Resonance in Compound Semiconductor Two-Dimensional Systems International-presentation

    Yoshiro Hirayama

    2010 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD2010)　2010/12/12

  200. Fabrication and characterization of an undoped GaAs single hole transistor International-presentation

    O. Klochan, J. C, H. Chen, A. P. Micolich, A. R. Hamilton, K. Muraki, Y. Hirayama

    2010 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD2010)　2010/12/12

  201. 抵抗検出NMRによるnu=1/3でのスピン反転励起の観測

    渡辺信嗣, 熊田倫雄, 平山祥郎

    日本物理学会2010年秋季大会　2010/09/23

  202. Experimental evidence of nonlinear spin polarization dependence of spin susceptibility in two dimensional electron system

    K.F. Yang, H. W. Liu, T. D. Mishima, M. B. Santos, K. Nagase, Y. Hirayama

    日本物理学会2010年秋季大会　2010/09/23

  203. 光ファイバーを用いた量子ホール系の強磁場、極低温におけるKerr回転スペクトルの測定

    伊藤裕紀, 瀬尾宗隆, 福岡大輔, 音賢一, 室清文, 平山祥郎, 熊田倫雄

    日本物理学会2010年秋季大会　2010/09/23

  204. 分数量子ホール領域の円偏光発光スペクトルの温度依存性II

    野村晋太郎, 山口真澄, 田村浩之, 赤坂達志, 平山祥郎

    日本物理学会2010年秋季大会　2010/09/23

  205. シリコン二次元電子系における谷偏極状態での金属絶縁体相転移

    新井田佳孝, 高品圭, 小野行徳, 藤原聡, 平山祥郎

    日本物理学会2010年秋季大会　2010/09/23

  206. Real-Space Observation of Quantum Hall Transition International-presentation

    K. Hashimoto, J. Wiebe, T. Inaoka, Y. Hirayama, R. A. Roemer, R. Wiesendanger, M. Morgenstern

    The 19th Int. Conf. on the Application of High Magnetic Fields in Semiconductor Physics and Nanotechnology (HMF-19)　2010/08/01

  207. Resistively detected NMR with dispersive lineshape in single InSb quantum wells International-presentation

    K. F. Yang, H. W. Liu, T. D. Mishima, M. B. Santos, Y. Hirayama

    The 19th Int. Conf. on the Application of High Magnetic Fields in Semiconductor Physics and Nanotechnology (HMF-19)　2010/08/01

  208. High sensitive measurement of spin polarization by Kerr rotation in a quantum Hall system International-presentation

    H. Ito, D. Fukuoka, K. Oto, K. Muro, Y. Hirayama, N. Kumada

    The 19th Int. Conf. on the Application of High Magnetic Fields in Semiconductor Physics and Nanotechnology (HMF-19)　2010/08/01

  209. Resistively detected nuclear spin polarization in single narrow-gap quantum wells International-presentation

    H. W. Liu, K. F. Yang, T. D. Mishima, M.B. Santos, Y. Hirayama

    30th Int. Conf. on the Physics of Semiconductors (ICPS2010)　2010/07/25

  210. Nonlinear spin polarization dependence of spin susceptibility in interacting two-dimensional electron systems International-presentation

    K. F. Yang, H. W. Liu, K. Nagase, K. Amakata, T. D. Mishima, M.B. Santos, Y. Hirayama

    30th Int. Conf. on the Physics of Semiconductors (ICPS2010)　2010/07/25

  211. Fabrication and characterization of an undoped single hole transistor International-presentation

    O. Klochan, J. Chen, A. Micolich, A. Hamilton, K. Muraki, Y. Hirayama

    30th Int. Conf. on the Physics of Semiconductors (ICPS2010)　2010/07/25

  212. Effects of valley polarization on electron mobility in a Silicon quantum well International-presentation

    Yoshitaka Niida, Kei Takashina, Yukinori Ono, Akira Fujiwara, Yoshiro Hirayama

    30th Int. Conf. on the Physics of Semiconductors (ICPS2010)　2010/07/25

  213. Spin polarization in quantum Hall state obtained by Kerr rotation spectra International-presentation

    H. Ito, M. Seo, D. Fukuoka, K. Oto, K. Muro, Y. Hirayama, N. Kumada

    30th Int. Conf. on the Physics of Semiconductors (ICPS2010)　2010/07/25

  214. Dynamical correlation of fractionally charged excitons with a two-dimensional electron system International-presentation

    Shintaro Nomura, Masumi Yamaguchi, Hiroyuki Tamura, Tatsushi Akazaki, Yoshiro Hirayama

    30th Int. Conf. on the Physics of Semiconductors (ICPS2010)　2010/07/25

  215. Spatially-inhomogeneous dynamic nuclear polarization at nu=2/3 quantum Hall state International-presentation

    S. Watanabe, M. H. Fauzi, N. Kumada, Y. Hirayama

    30th Int. Conf. on the Physics of Semiconductors (ICPS2010)　2010/07/25

  216. Observation of Strains Caused by Heterostructure Interfaces International-presentation

    M. Nishimori, H. Hasegawa, S. Sasaki, S. Watanabe, Y. Hirayama

    37th Int. Symp. on Compound Semiconductors (ISCS2010)　2010/05/31

  217. Scanning Tunneling Spectroscopyof a Surface Two-Dimensional Electron System in High Magnetic Field International-presentation

    K. Hashimoto, C. Sohrmann, J. Wiebe, T. Inaoka, F. Meier, Y. Hirayama, R. A. Romer, R. Wiesendanger, M. Morgenstern

    37th Int. Symp. on Compound Semiconductors (ISCS2010)　2010/05/31

  218. Magnetic field dependenceof spin susceptibility in single InSb quantum wells International-presentation

    K. F. Yang, H. W. Liu, K. Nagase, K. Amakata, T. D. Mishima, M. B. Santos, Y. Hirayama

    37th Int. Symp. on Compound Semiconductors (ISCS2010)　2010/05/31

  219. 75AS-NMR Study of Skyrmions in a GaAs/AlGaAs Two-Dimensional Electron System International-presentation

    S. Watanabe, N. Kumada, Y. Hirayama

    37th Int. Symp. on Compound Semiconductors (ISCS2010)　2010/05/31

  220. Characterization of Individual Nuclear Spins in InSb/AlInSb Single Quantum Well

    劉洪武, 杨凯锋, T.D.Mishima, M.B.Santos, 平山祥郎

    日本物理学会2010年春季大会　2010/03/20

  221. Resistively Detected Nuclear Spin Polarization in InSb Single Quantum Well

    杨凯锋, 劉洪武, T.D.Mishima, B.Santos, 平山祥郎

    日本物理学会2010年春季大会　2010/03/20

  222. 強局在領域における位相緩和長と抵抗の温度変化

    新見康洋, 平山祥郎, L.Saminadayar, S. Bauerle

    日本物理学会2010年春季大会　2010/03/20

  223. Kerr顕微鏡によるv＝1量子ホール状態の局所占有数と電流分布

    松田貴治, 山田哲也, 文堤会, 音賢一, 室清文, 熊田倫雄, 平山祥郎

    日本物理学会2010年春季大会　2010/03/20

  224. Al核スピンによるナノ構造の直接観察II

    西森将志, 長谷川広和, 川中子隆, 佐々木進, 渡辺信嗣, 平山祥郎

    日本物理学会2010年春季大会　2010/03/20

  225. 熱的偏極核スピンによる抵抗検出NMRスペクトルの測定

    渡辺信嗣, 熊田倫雄, 平山祥郎

    日本物理学会2010年春季大会　2010/03/20

  226. 分数量子ホール領域の円偏光発光スペクトルの温度依存性

    野村晋太郎, 山口真澄, 田村浩之, 赤崎達志, 平山祥郎

    日本物理学会2010年春季大会　2010/03/20

  227. 電気二重層トランジスタによるInPのキャリア数制御

    下谷秀和, 西島崇裕, 長瀬勝美, 平山祥郎, 岩佐義宏

    日本物理学会2010年春季大会　2010/03/20

  228. Electrically Probing Nuclear Spin Polarization in an InSb Single Quantum Well International-presentation

    H. W. Liu, K. F. Yang, T. D. Mishima, M. B. Santos, Y. Hirayama

    American Physical Society, APS March Meeting 2010　2010/03/15

  229. Nuclear spin magnetometry in a quantum Hall regime International-presentation

    S. Watanabe, M. H. Fauzi, N. Kumada, Y. Hirayama

    Int. Symp. on Quantum Nanostructures and Spin-related Phenomena (QNSP2010)　2010/03/09

  230. Suppression of decoherence by a sequence of pai-pulses International-presentation

    T. Yuge, Y. Hirayama, S. Sasaki

    Int. Symp. on Quantum Nanostructures and Spin-related Phenomena (QNSP2010)　2010/03/09

  231. Resistively probing individual nuclear spins in single narrow-gap quantum wells International-presentation

    H. W. Liu, K. F. Yang, T. D. Mishima, M. B. Santos, Y. Hirayama

    Int. Symp. on Quantum Nanostructures and Spin-related Phenomena (QNSP2010)　2010/03/09

  232. Spin properties of holes in GaAs quantum wires International-presentation

    A. R. Hamilton, O. Klochan, J. C, H. Chen, A. P. Micolich, T. P. Martin, L. H. Ho, U. Zulicke, K. Muraki, Y. Hirayama, D. Reuter, A. D. Wieck

    Int. Symp. on Quantum Nanostructures and Spin-related Phenomena (QNSP2010)　2010/03/09

  233. Curvature dependence of vibrational modes in rolled-up semiconductor layer International-presentation

    W. Izumida, H. Okamoto, H. Yamaguchi, Y. Hirayama

    Int. Symp. on Quantum Nanostructures and Spin-related Phenomena (QNSP2010)　2010/03/09

  234. Scanning tunneling spectroscopy of wave functions in the integer quantum Hall regime International-presentation

    K. Hashimoto, C. Sohrmann, J. Wiebe, T. Inaoka, F. Meier, Y. Hirayama, R. A. Römer, R. Wiesendanger, M. Morgenstern

    Int. Symp. on Quantum Nanostructures and Spin-related Phenomena (QNSP2010)　2010/03/09

  235. Electron mobility suppression due to valley splitting in Si SIMOX MOSFET International-presentation

    Yoshitaka Niida, Yoshiro Hirayama

    Int. Symp. on Quantum Nanostructures and Spin-related Phenomena (QNSP2010)　2010/03/09

  236. Thermal nuclear spin polarization in a GaAs quantum well electrically probed at filling fraction 2/3 quantum Hall effect International-presentation

    M. H. Fauzi, S. Watanabe, N. Kumada, Y. Hirayama

    Int. Symp. on Quantum Nanostructures and Spin-related Phenomena (QNSP2010)　2010/03/09

  237. Quantum Hall effect: Present and future International-presentation

    International Conference on Random Media　2010/01/25

  238. Advanced functionality with three-dimensionally controlled nanostructures International-presentation

    Klaus-Juergen Friedland, Yoshiro Hirayama

    JST-DFG Workshop on Nanoelectronics　2010/01/18

  239. NMR and NER in GaAs quantum Structures International-presentation

    2009 Annual Meeting of the Spectroscopical Society of Japan (Int. Conf. Parts)　2009/11/16

  240. Landau-Level Crossings in Semiconductor Two-Dimensional Systems International-presentation

    The 9th Sweden-Japan Workshop on Quantum Nanpphysics and Nanoelectronics (QNANO)　2009/11/13

  241. Exchange enhancement of effective g factors in a symmetrically doped InSb quantum well International-presentation

    K. F. Yang, H. W. Liu, K. Nagase, K. Amakata, T. D. Mishima, M. B. Santos, Y. Hirayama

    The 2nd RIEC-CNSI Workshop on Nanoelectronics, Spintronics and Photonics　2009/10/22

  242. GaAs量子井戸における電子スピンと核スピンの相互作用

    平成２１東北大電気通信研究所共同プロジェクト研究会「半導体サイエンスと半導体テクノロジーの融合」　2009/10/16

  243. Nuclear magnetic resonance in semiconductor quantum structures International-presentation

    Canada-Poland-Japan Int. Symp. on Semiconductor, magnetic and photonic nanostructures　2009/10/04

  244. nu=2/3スピン相転移点のシフトによる核スピン状態の検出と緩和測定

    渡辺信嗣, Fauzi Mohammad Hamzah, 熊田倫雄, 平山祥郎

    日本物理学会2009年秋季大会　2009/09/25

  245. Landau-level crossing in an InSb two-dimensional electron gas with tilted magnetic fields

    H.W. Liu, K.F. Yang, K. Amakata, M.B. Santos, Y. Hirayama

    日本物理学会2009年秋季大会　2009/09/25

  246. 量子ホール2次元電子系における光学遷移の占有数依存性

    伊藤裕紀, 福岡大輔, 永山達也, 音賢一, 室清文, 平山祥郎, 熊田倫雄, 山口浩司

    日本物理学会2009年秋季大会　2009/09/25

  247. 量子ホール強磁性状態における乱雑ポテンシャルによるスピン波の崩壊

    福岡大輔, 永山達也, 室清文, 平山祥郎, 熊田倫雄, 山口浩司

    日本物理学会2009年秋季大会　2009/09/25

  248. ν=1におけつ円偏光発光スペクトル

    野村晋太郎, 山口真澄, 田村浩之, 赤碕達志, 平山祥郎

    日本物理学会2009年秋季大会　2009/09/25

  249. 量子細線の抵抗の温度依存性とdisorder依存性

    新見康洋, Saminadayar.L,Baeuerle, 平山祥郎

    日本物理学会2009年秋季大会　2009/09/25

  250. Nuclear spin polarization and relaxation probed by spin phase transition peak International-presentation

    Shinji Watanabe, M. H. Fauzi, Norio Kumada, Yoshiro Hirayama

    The 36th Int. Symp. on Compound Semiconductors (ISCS2009)　2009/08/30

  251. Strains in heterostructures detected by standard NMR International-presentation

    M. Nishimori, S. Sasaki, S. Watanabe, Y. Hirayama

    The 18th Int. Conf. on Electronic Properties of Two-Dimensional Systems (EP2DS-18)　2009/07/19

  252. Circular polarization reversal of split photoluminescence peaks at nu of slightly less than 1 International-presentation

    S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Hirayama

    The 18th Int. Conf. on Electronic Properties of Two-Dimensional Systems (EP2DS-18)　2009/07/19

  253. High sensitive measurement of Kerr rotation spectra of quantum Hall states International-presentation

    H. Ito, D. Fukuoka, T. Nagayama, K. Oto, K. Muro, Y. Hirayama, N. Kumada, H. Yamaguchi

    The 18th Int. Conf. on Electronic Properties of Two-Dimensional Systems (EP2DS-18)　2009/07/19

  254. Electron-hole transport in a 40 nm thick silicon slab International-presentation

    K. Takashina, K. Nishiguchi, Y. ono, A. Fujiwara, T. Fujisawa, Y. Hirayama, K. Muraki

    The 18th Int. Conf. on Electronic Properties of Two-Dimensional Systems (EP2DS-18)　2009/07/19

  255. Spectroscopic study of nuclear magnetic resonance mediated by oscillating electron spin domain walls International-presentation

    S. Watanabe, G. Igarashi, K. Hashimoto, N. Kumada, Y. Hirayama

    The 18th Int. Conf. on Electronic Properties of Two-Dimensional Systems (EP2DS-18)　2009/07/19

  256. Spin relaxation mechanism in a quantum Hall ferromagnet International-presentation

    D. Fukuoka, T. Nagayama, K. Oto, K. Muro, Y. Hirayama, N. Kumada, H. Yamaguchi

    The 18th Int. Conf. on Electronic Properties of Two-Dimensional Systems (EP2DS-18)　2009/07/19

  257. The interplay between the confinement and crystallographic anisotropy in ballistic hole quantum wires International-presentation

    O. Klochan, A. P. Micolich, L. H. Ho, A. R. Hamilton, K. Muraki, Y. Hirayama

    The 18th Int. Conf. on Electronic Properties of Two-Dimensional Systems (EP2DS-18)　2009/07/19

  258. Imaging of local filling factor in current flowing nu = 1 quantum Hall state by scanning Kerr microscope International-presentation

    K. Oto, R. Inaba, T. Yamada, Y. Saisyu, T. Matsuda, K. Muro, Y. Hirayama, N. Kumada, H. Yamaguchi

    The 18th Int. Conf. on Electronic Properties of Two-Dimensional Systems (EP2DS-18)　2009/07/19

  259. Nuclear magnetic resonance and relaxation in semiconductor nanostructures International-presentation

    Yoshiro Hirayama

    Symposium on Surface and Nano Science 2009 (SSNS’09)　2009/01/27

  260. Real-space imaging of the quantum Hall transition International-presentation

    K. Hashimoto, C. Sohrmann, J. Wiebe, T. Inaoka, Y. Hirayama, R. A. Roemer, R. Wiesendanger, M. Morgenstern

    The 13th Advanced Heterostructures and Nanostructures Workshop (AHNW2008)　2008/12/07

  261. Electron spin imaging in current flowing quantum Hall devices International-presentation

    K. Oto, R. Inaba, T. Yamada, K. Muro, Y. Hirayama, N. Kumada, H. Yamaguchi

    The 13th Advanced Heterostructures and Nanostructures Workshop (AHNW2008)　2008/12/07

  262. Nuclear spin resonance mediated by oscillating electron spin domains International-presentation

    Y. Hirayama, G. Igarashi, S. Watanabe, T. Fujisawa, N. Kumada, K. Muraki

    The 13th Advanced Heterostructures and Nanostructures Workshop (AHNW2008)　2008/12/07

  263. Nuclear-spin detection in heterostructures and nanostructures – detection of strains in GaAs-AlGaAs interface and of nanoscale magnetic field International-presentation

    S. Watanabe, S. Sasaki, N. Isogai, Y. Matsumoto, Y. Hirayama

    The 13th Advanced Heterostructures and Nanostructures Workshop (AHNW2008)　2008/12/07

  264. Spatial Observation of Spin-Resolved Landau Levels on Adsorbate-Induced Two-Dimensional Electron System International-presentation

    K. Hashimoto, C. Sohrmann, J. Wiebe, T. Inaoka, R. A. Roemer, R. Wiesendanger, M. Morgenstern

    The 2nd IEEE Nanotechnology Materials and Devices Conference (NMDC2008)　2008/10/20

  265. Nuclear Magnetic and Electric Resonances Based on nu = 2/3 Domain Structure International-presentation

    CNSI-RIEC Workshop on Nanoelectronics, Spintronics & Phototoronics　2008/10/09

  266. Electrically Controlled Quantum Coherence of Nuclear Spins in GaAs Semiconductor Nanostructures International-presentation

    G. Yusa, K. Muraki

    CNSI-RIEC Workshop on Nanoelectronics, Spintronics & Phototoronics　2008/10/09

  267. Nuclear spin and electron spin interactions in semiconductor quantum Hall systems International-presentation

    10th German-Japan Symposium "Collective Quantum-Phenomena in Correlated Condensed Matter Systems"　2008/09/28

  268. Selective Nuclear Spin Munipulation at ν = 2/3 Spin Phase Transition International-presentation

    S. Watanabe, K. Kumada, K. Hashimoto

    The 35th International Symposium on Compound Semiconductors (ISCS 2008)　2008/09/21

  269. Nuclear-Spin-Based Measurements of Quantum Hall Systems International-presentation

    18th Int. Conf. on High Magnetic Fields in Semiconductor Physics and Nanotechnology (HMF18)　2008/08/03

  270. Electron Spin Imaging in Quantum Hall Devices by Kerr Rotation Measurement International-presentation

    K. Oto, R. Inaba, T. Yamada, T. Yamazaki, K. Muro, N. Kumada, H. Yamaguchi

    18th Int. Conf. on High Magnetic Fields in Semiconductor Physics and Nanotechnology (HMF18)　2008/08/03

  271. Optical Induced Dynamic Nuclear Spin Polarization in Quantum Hall Regime Observed by a Time-Resolved Kerr Rotation International-presentation

    D. Fukuoka, N. Tanaka, K. Oto, K. Muro, N. Kumada, H. Yamaguchi

    18th Int. Conf. on High Magnetic Fields in Semiconductor Physics and Nanotechnology (HMF18)　2008/08/03

  272. Spin and Valley Degree of Freedom in Silicon Quantum Structures International-presentation

    IUMRS-ICEM 2008 Int. Conf. on Electronic Materials　2008/07/28

  273. Electron Spin Texture in a Wire-Like Quantum Hall System Probed by Selectively Polarized Nuclear Spins International-presentation

    T. Kobayashi, T. Ota, N. Kumada, S. Sasaki

    29th International Conference on the Physics of Semiconductors (ICPS 2008)　2008/07/27

  274. Electric-Field-Induced Nuclear Spin Resonance Mediated by the Hyperfine Interaction International-presentation

    N. Kumada, T. Kamada, S. Miyashita, T. Fujisawa

    29th International Conference on the Physics of Semiconductors (ICPS 2008)　2008/07/27

  275. Impact of long- and short-range disorder on the metallic behavior of 2D systems International-presentation

    W. R. Clarke, C. E. Yasin, A. R. Hamilton, A. P. Micolich, M. Y. Simmons, K. Muraki, M. Pepper, D. A. Ritchie

    29th International Conference on the Physics of Semiconductors (ICPS 2008)　2008/07/27

  276. Quantum Transport in closely separated double quantum wires with independent contacts International-presentation

    K. Muraki, H. M. Lee, E. Y. Chang

    29th International Conference on the Physics of Semiconductors (ICPS 2008)　2008/07/27

  277. Manipulating Nuclear Spins in GaAs Quantum Structures International-presentation

    Spin&Qubit 2008　2008/07/03

  278. Semiconductor quantum-point contact and nanoscale nuclear-spin manipulation International-presentation

    Open Symposium, Advanced Functionality with Three-dimensionally Controlled Nanostructures (AF3DCN-1)　2008/03/19

  279. Nuclear spin spectroscopy for semiconductor hetero and nano structures International-presentation

    Yukawa International School (YKIS): Interaction and Nanostructured Effects in Low-Dimensional Systems　2007/11/16

  280. Electrically controlled quantum coherences of nuclear spins in GaAs point contacts International-presentation

    Go Yusa, Koji Muraki

    The 34th Int. Symp. on Compound Semiconductors (ISCS2007)　2007/10/15

  281. Nuclear spin resonance induced by radio frequency electric field International-presentation

    K. Kumada, T. Kamada, S. Miyashita, T. Fujisawa

    The 34th Int. Symp. on Compound Semiconductors (ISCS2007)　2007/10/15

  282. Qubits based on III-V semiconductors International-presentation

    Handai Nano Symposium　2007/09/27

  283. Spin resolved spectroscopy of upper subbands in two-dimensional electron systems by direct transport measurements International-presentation

    Y. Niida, K. Takashina, A. Fujiwara, T. Fujisawa

    Int. Conf. on Solid State Devices and Materials (SSDM) 2007　2007/09/19

  284. Nuclear-spintronics in semiconductor nanostructures International-presentation

    Trends in Nanotechnology (TNT) 2007　2007/09/03

  285. Quantum transport in silicon quantum wells and dots International-presentation

    Lorentz Center Workshop, Silicon Nanoelectronics　2007/05/21

  286. Nano-scale NMR Based on Resistance-Detection International-presentation

    48th Experimental Nuclear Magnetic Resonance Conference (48th ENC)　2007/04/22

  287. Nuclear Spintronics in Semiconductor Hetero and Nanostructures International-presentation

    3rd Nano and Giga Challenge in Electronics and Photonics (NGC2007)　2007/03/12

  288. Control of charge, spin, and nuclear spins in semiconductor nanodevices International-presentation

    JST-DFG Japan-Germay Joint Workshop, 2006 “Nano-Electronics”　2006/10/30

  289. NMR in a Point Contact Device International-presentation

    IEEE Nanotechnology Materials and Devices Conference (NMDC2006)　2006/10/22

  290. High precision control of nuclear spins in semiconductor nanostructures International-presentation

    Int. Conf. On Superlattices, Nano-structures and Nano-devices (ICSNN2006)　2006/07/30

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Research Projects 5

  1. Science of Hybrid Quantum Systems Competitive

    System: Basic Science Research Program

    2015/07 - 2020/03

  2. InSb量子構造のゲート制御伝導特性の研究 Competitive

    System: Basic Science Research Program

    2014/04 - 2018/03

  3. 核スピンエレクトロニクス特別重点期間 Competitive

    System: JST Basic Research Programs (Exploratory Research for Advanced Technology :ERATO)

    2013/04 - 2015/03

  4. Nuclear Spin Electronics Competitive

    System: JST Basic Research Programs (Exploratory Research for Advanced Technology :ERATO)

    2007/12 - 2013/03

  5. Advanced Functionality with Three-Dimensionally Controlled Nanostructures Competitive

    2007/12 - 2010/11

Social Activities 10

  1. 日本学術振興会第151委員会委員

    2006/07 - Present

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    未踏・ナノデバイステクノロジーに向けた産学連携の委員会において研究会などの企画、運営を行う。

  2. 東大GCOE「未来を拓く物理科学結集教育拠点」第4回RA自主研究会

    2010/06/23 - 2010/06/24

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    「InPFET、メゾスコピック、そしてキャリア相関」と題して招待講演を行う。主催者の希望で、最近の研究成果ではなく、自分の学生時代の話、NTT時代の話、国際交流などに関する感想を幅広く紹介する。

  3. 東北大学「スーパーグローバル大学創成支援」キックオフシンポジウム

    2015/02/18 -

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    Keynote Lectures のSpintronicsに関して、東北大学スピントロニクス国際共同大学院の概要を紹介した。

  4. アジア共同学位プロジェクト第7回国際シンポジウム

    2014/12/21 -

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    第一パネリストとしてスピントロニクス国際共同大学院の概要を紹介し、その後のパネルディスカッションに参加した。

  5. ミヤイチキャンパス

    2014/11/13 -

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    宮城第一高等学校、ミヤイチキャンパスで大学の物理教育・研究について紹介する。(前半、後半、放課後の3回）

  6. 高校生研究室見学

    2012/08/09 -

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    宮城野高校の4人の学生が自主研究のために来訪、研究室見学を行う。

  7. インジウムを含む半導体の超高感度NMR測定に成功

    2011/02/15 -

  8. 東北大ら、Inを含む半導体の超高感度NMR測定に成功

    2010/12/10 -

  9. 「芯まで使うエレクトロニクスを目指して-原子核スピンとナノテクノロジー-」

    2010/04/12 -

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    2010年4月12日（月）から4月18日（日）平成22年度 第51回 科学技術週間 サイエンスカフェ（文部科学省主催）の一貫として一般向けに講演 （講演日4月12日（月）、19:00-20:30、講師、橋本克之、ファシリテータ、平山祥郎）

  10. サイエンス・学び 線状の電子結晶実証

    2006/07/23 -

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    Scienceに共著で報告した線状の電子結晶の実証に関する記事。取材に対応して述べたコメントが”共同研究者の平山祥郎東北大教授は「結晶形成時に電流を流れなくして、崩壊時に流れるようにすれば、電流スイッチの高速切り替えが可能になり、高速トランジスタ-の開発も夢ではない」としている。”の形で掲載。

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Other 8

  1. ナノテクノロジー

  2. ナノテクノロジー

  3. ナノテクノロジー

  4. ナノテクノロジー

  5. ナノテクノロジー

  6. ナノテクノロジー

  7. ナノテクノロジー

  8. ナノテクノロジー

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