Comparative Study of Single and Dual Gain-Narrowed Emission in Thiophene/Furan/Phenylene Co-Oligomer Single Crystals Peer-reviewed

Hui Shang, Hidekazu Shimotani, Susumu Ikeda, Thangavel Kanagasekaran, Kazuaki Oniwa, Tienan Jin, Naoki Asao, Yoshinori Yamamoto, Hiroyuki Tamura, Kenta Abe, Miyuki Kanno, Masayuki Yoshizawa, Katsumi Tanigaki

JOURNAL OF PHYSICAL CHEMISTRY C　121　(4)　2364-2368　2017/02

DOI： 10.1021/acs.jpcc.6b10827 　

ISSN： 1932-7447

Electric Properties of Dirac Fermions Captured into 3D Nanoporous Graphene Networks Peer-reviewed

Yoichi Tanabe, Yoshikazu Ito, Katsuaki Sugawara, Daisuke Hojo, Mikito Koshino, Takeshi Fujita, Tsutomu Aida, Xiandong Xu, Khuong Kim Huynh, Hidekazu Shimotani, Tadafumi Adschiri, Takashi Takahashi, Katsumi Tanigaki, Hideo Aoki, Mingwei Chen

ADVANCED MATERIALS　28　(46)　10304-10310　2016/12

DOI： 10.1002/adma.201601067 　

ISSN： 0935-9648

eISSN： 1521-4095

Unification of the low-energy excitation peaks in the heat capacity that appears in clathrates Peer-reviewed

Jiazhen Wu, Kazuto Akagi, Jingtao Xu, Hidekazu Shimotani, Khuong K. Huynh, Katsumi Tanigaki

PHYSICAL REVIEW B　93　(9)　094303　2016/03

DOI： 10.1103/PhysRevB.93.094303 　

ISSN： 2469-9950

eISSN： 2469-9969

19pBL-14 Anharmonic phonons viewed from van der Waals potentials in cage structure compounds

Wu Jiazhen, Akagi Kazuto, Shimotani Hidekazu, Huynh Khuong K., Tanigaki Katsumi

Meeting Abstracts of the Physical Society of Japan　71　2018-2018　2016

DOI： 10.11316/jpsgaiyo.71.1.0_2018 　

ISSN： 2189-079X

Enhancement of ambipolar carrier injection into organic semiconductor thin film with alkane thin film

Shimotani Hidekazu, Kanagasekaran Thangavel, Ikeda Susumu, Shang Hui, Kumashiro Ryotaro, Tanigaki Kasumi

Meeting Abstracts of the Physical Society of Japan　71　1698-1698　2016

DOI： 10.11316/jpsgaiyo.71.2.0_1698 　

Highly-efficient carrier injection into organic semiconductor single crystal from any electrodes

Shimotani Hidekazu, Kanagasekaran Thangavel, Tanigaki Kasumi

Meeting Abstracts of the Physical Society of Japan　71　1699-1699　2016

DOI： 10.11316/jpsgaiyo.71.2.0_1699 　

Peculiar topological influence on magnetic susceptibility of C60

Heguri S., Shimotani H., Phan Q. T. N., Matsuda Y., Sakurai H., Tanigaki K.

Meeting Abstracts of the Physical Society of Japan　71　1558-1558　2016

DOI： 10.11316/jpsgaiyo.71.2.0_1558 　

Biphenyl end-capped bithiazole co-oligomers for high performance organic thin film field effect transistors Peer-reviewed

Kazuaki Oniwa, Hiromasa Kikuchi, Thangavel Kanagasekaran, Hidekazu Shimotani, Susumu Ikeda, Naoki Asao, Yoshinori Yamamoto, Katsumi Tanigaki, Tienan Jin

CHEMICAL COMMUNICATIONS　52　(27)　4926-4929　2016

DOI： 10.1039/c6cc01352j 　

ISSN： 1359-7345

eISSN： 1364-548X

2-Positional pyrene end-capped oligothiophenes for high performance organic field effect transistors Peer-reviewed

Kazuaki Oniwa, Hiromasa Kikuchi, Hidekazu Shimotani, Susumu Ikeda, Naoki Asao, Yoshinori Yamamoto, Katsumi Tanigaki, Tienan Jin

CHEMICAL COMMUNICATIONS　52　(26)　4800-4803　2016

DOI： 10.1039/c6cc00948d 　

ISSN： 1359-7345

eISSN： 1364-548X

Equivalent ambipolar carrier injection of electrons and holes with Au electrodes in air-stable field effect transistors Peer-reviewed

Thangavel Kanagasekaran, Hidekazu Shimotani, Susumu Ikeda, Hui Shang, Ryotaro Kumashiro, Katsumi Tanigaki

APPLIED PHYSICS LETTERS　107　(4)　043304　2015/07

DOI： 10.1063/1.4927651 　

ISSN： 0003-6951

eISSN： 1077-3118

18pDA-14 Unified picture of low-energy excitation peaks associated with anharmonic phonons in cage-structured materials with d- and f-elements

Tanigaki K., Wu Jiazhen, Shimotani H., Akagi K.

Meeting Abstracts of the Physical Society of Japan　70　2036-2036　2015

DOI： 10.11316/jpsgaiyo.70.2.0_2036 　

ISSN： 2189-079X

18aAF-4 Unification of boson peaks in clathrate compounds

Wu Jiazhen, Akagi Kazuto, Shimotani Hidekazu, Tanigaki Katsumi

Meeting Abstracts of the Physical Society of Japan　70　1603-1603　2015

DOI： 10.11316/jpsgaiyo.70.2.0_1603 　

ISSN： 2189-079X

21pAC-8 Dependence of Electron Mobility in Organic Field-Effect Transistors on Surface Modification of Insulating Layer

Shimotani H., Kobayashi S., Oikawa S., Tanigaki K.

Meeting Abstracts of the Physical Society of Japan　70　1802-1802　2015

DOI： 10.11316/jpsgaiyo.70.1.0_1802 　

ISSN： 2189-079X

22aAC-2 Existing phase and ground state in Alkali and Alkaline earth metal doped fused ring system

Heguri Satoshi, Phan Quynh Thi Nhu, Matsuda Yuki, Tanabe Yoichi, Shimotani Hidekazu, Tanigaki Katsumi

Meeting Abstracts of the Physical Society of Japan　70　1824-1824　2015

DOI： 10.11316/jpsgaiyo.70.1.0_1824 　

ISSN： 2189-079X

23pCP-8 Ultrafast optical response of BPFT and BP2T thin crystal films

Kanno M., Shang H., Oniwa K., Jin T., Asao N., Shimotani H., Tanigaki K., Yoshizawa M.

Meeting Abstracts of the Physical Society of Japan　70　1548-1548　2015

DOI： 10.11316/jpsgaiyo.70.1.0_1548 　

ISSN： 2189-079X

Systematic Study of the Electronic States in Electron-Doped Polyacenes Peer-reviewed

Quynh T. N. Phan, Satoshi Heguri, Yoichi Tanabe, Hidekazu Shimotani, Katsumi Tanigaki

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY　(24)　4033-4038　2014/08

DOI： 10.1002/ejic.201402381 　

ISSN： 1434-1948

eISSN： 1099-0682

Continuous Band-Filling Control and One-Dimensional Transport in Metallic and Semiconducting Carbon Nanotube Tangled Films Peer-reviewed

Hidekazu Shimotani, Satoshi Tsuda, Hongtao Yuan, Yohei Yomogida, Rieko Moriya, Taishi Takenobu, Kazuhiro Yanagi, Yoshihiro Iwasa

ADVANCED FUNCTIONAL MATERIALS　24　(22)　3305-3311　2014/06

DOI： 10.1002/adfm.201303566 　

ISSN： 1616-301X

eISSN： 1616-3028

Systematic studies on anharmonicity of rattling phonons in type-I clathrates by low-temperature heat capacity measurements Peer-reviewed

Jiazhen Wu, Jingtao Xu, Dwi Prananto, Hidekazu Shimotani, Yoichi Tanabe, Satoshi Heguri, Katsumi Tanigaki

PHYSICAL REVIEW B　89　(21)　214301　2014/06

DOI： 10.1103/PhysRevB.89.214301 　

ISSN： 1098-0121

eISSN： 1550-235X

Field-Induced Superconductivity in Electric Double Layer Transistors Peer-reviewed

Kazunori Ueno, Hidekazu Shimotani, Hongtao Yuan, Jianting Ye, Masashi Kawasaki, Yoshihiro Iwasa

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　83　(3)　032001　2014/03

DOI： 10.7566/JPSJ.83.032001 　

ISSN： 0031-9015

Electron and Hole Injection via Charge Transfer at the Topological Insulator Bi2-xSbxTe3-ySey-Organic Molecule Interface Peer-reviewed

Yoichi Tanabe, Khuong Kim Huynh, Ryo Nouchi, Satoshi Heguri, Gang Mu, Jingtao Xu, Hidekazu Shimotani, Katsumi Tanigaki

JOURNAL OF PHYSICAL CHEMISTRY C　118　(7)　3533-3538　2014/02

DOI： 10.1021/jp409715s 　

ISSN： 1932-7447

Tuning of the ground state in electron doped anthracene Peer-reviewed

Quynh T. N. Phan, Satoshi Heguri, Yoichi Tanabe, Hidekazu Shimotani, Takehito Nakano, Yasuo Nozue, Katsumi Tanigaki

DALTON TRANSACTIONS　43　(26)　10040-10045　2014

DOI： 10.1039/c4dt00071d 　

ISSN： 1477-9226

eISSN： 1477-9234

High-Sensitivity Photodetectors Based on Multilayer GaTe Flakes Peer-reviewed

Fucai Liu, Hidekazu Shimotani, Hui Shang, Thangavel Kanagasekaran, Viktor Zolyomi, Neil Drummond, Vladimir I. Fal'ko, Katsumi Tanigaki

ACS NANO　8　(1)　752-760　2014/01

DOI： 10.1021/nn4054039 　

ISSN： 1936-0851

eISSN： 1936-086X

Ionic liquid gated electric-double-layer transistors based on Mg-doped InN epitaxial films Peer-reviewed

Z. Y. Chen, H. T. Yuan, X. Q. Wang, N. Ma, Y. W. Zhang, H. Shimotani, Z. X. Qin, B. Shen, Y. Iwasa

APPLIED PHYSICS LETTERS　103　(25)　253508　2013/12

DOI： 10.1063/1.4852175 　

ISSN： 0003-6951

eISSN： 1077-3118

Zeeman-type spin splitting controlled by an electric field Peer-reviewed

Hongtao Yuan, Mohammad Saeed Bahramy, Kazuhiro Morimoto, Sanfeng Wu, Kentaro Nomura, Bohm-Jung Yang, Hidekazu Shimotani, Ryuji Suzuki, Minglin Toh, Christian Kloc, Xiaodong Xu, Ryotaro Arita, Naoto Nagaosa, Yoshihiro Iwasa

NATURE PHYSICS　9　(9)　563-569　2013/09

DOI： 10.1038/NPHYS2691 　

ISSN： 1745-2473

eISSN： 1745-2481

Low-Temperature Physical and Thermoelectric Properties of Ba8Ni5Ge41 Peer-reviewed

Jingtao Xu, Jiazhen Wu, Yoichi Tanabe, Satoshi Heguri, Gang Mu, Hidekazu Shimotani, Katsumi Tanigaki

JOURNAL OF ELECTRONIC MATERIALS　42　(7)　2025-2029　2013/07

DOI： 10.1007/s11664-013-2509-z 　

ISSN： 0361-5235

Tunable Surface Electron Spin Splitting with Electric Double-Layer Transistors Based on InN Peer-reviewed

Chunming Yin, Hongtao Yuan, Xinqiang Wang, Shitao Liu, Shan Zhang, Ning Tang, Fujun Xu, Zhuoyu Chen, Hidekazu Shimotani, Yoshihiro Iwasa, Yonghai Chen, Weikun Ge, Bo Shen

NANO LETTERS　13　(5)　2024-2029　2013/05

DOI： 10.1021/nl400153p 　

ISSN： 1530-6984

Theoretical Analysis on the Optoelectronic Properties of Single Crystals of Thiophene-furan-phenylene Co-Oligomers: Efficient Photoluminescence due to Molecular Bending Peer-reviewed

Hiroyuki Tamura, Ikutaro Hamada, Hui Shang, Kazuaki Oniwa, Md. Akhtaruzzaman, Tienan Jin, Naold Asao, Yoshinori Yamamoto, Thangavel Kanagasekaran, Hidekazu Shimotani, Susumu Ikeda, Katsumi Tanigaki

JOURNAL OF PHYSICAL CHEMISTRY C　117　(16)　8072-8078　2013/04

DOI： 10.1021/jp400646n 　

ISSN： 1932-7447

Single crystal biphenyl end-capped furan-incorporated oligomers: influence of unusual packing structure on carrier mobility and luminescence Peer-reviewed

Kazuaki Oniwa, Thangavel Kanagasekaran, Tienan Jin, Md. Akhtaruzzaman, Yoshinori Yamamoto, Hiroyuki Tamura, Ikutaro Hamada, Hidekazu Shimotani, Naoki Asao, Susumu Ikeda, Katsumi Tanigaki

JOURNAL OF MATERIALS CHEMISTRY C　1　(26)　4163-4170　2013

DOI： 10.1039/c3tc30220b 　

ISSN： 2050-7526

eISSN： 2050-7534

Electron carrier-mediated room temperature ferromagnetism in anatase (ti,co) o 2 Peer-reviewed

Tomoteru Fukumura, Yoshinori Yamada, Kazunori Ueno, Hongtao Yuan, Hidekazu Shimotani, Yoshihiro Iwasa, L. I.N. Gu, Susumu Tsukimoto, Yuichi Ikuhara, Masashi Kawasaki

SPIN　2　(4)　2012/12/01

DOI： 10.1142/S2010324712300058 　

ISSN： 2010-3255 2010-3247

Electric-field-induced superconductivity at 9.4 K in a layered transition metal disulphide MoS2 (vol 101, 042603, 2012) Peer-reviewed

Kouji Taniguchi, Akiyo Matsumoto, Hidekazu Shimotani, Hidenori Takagi

APPLIED PHYSICS LETTERS　101　(10)　109902　2012/09

DOI： 10.1063/1.4750245 　

ISSN： 0003-6951

Ambipolar Organic Single-Crystal Transistors Based on Ion Gels Peer-reviewed

Yohei Yomogida, Jiang Pu, Hidekazu Shimotani, Shimpei Ono, Shu Hotta, Yoshihiro Iwasa, Taishi Takenobu

ADVANCED MATERIALS　24　(32)　4392-4397　2012/08

DOI： 10.1002/adma.201200655 　

ISSN： 0935-9648

eISSN： 1521-4095

Electric-field-induced superconductivity at 9.4 K in a layered transition metal disulphide MoS2 Peer-reviewed

Kouji Taniguchi, Akiyo Matsumoto, Hidekazu Shimotani, Hidenori Takagi

APPLIED PHYSICS LETTERS　101　(4)　042603　2012/07

DOI： 10.1063/1.4740268 　

ISSN： 0003-6951

External electric field dependence of the structure of the electric double layer at an ionic liquid/Au interface Peer-reviewed

Ryosuke Yamamoto, Hazuki Morisaki, Osami Sakata, Hidekazu Shimotani, Hongtao Yuan, Yoshihiro Iwasa, Tsuyoshi Kimura, Yusuke Wakabayashi

APPLIED PHYSICS LETTERS　101　(5)　053122　2012/07

DOI： 10.1063/1.4742920 　

ISSN： 0003-6951

eISSN： 1077-3118

Tunable Spin-Orbit Interaction in Trilayer Graphene Exemplified in Electric-Double-Layer Transistors Peer-reviewed

Zhuoyu Chen, Hongtao Yuan, Yanfeng Zhang, Kentaro Nomura, Teng Gao, Yabo Gao, Hidekazu Shimotani, Zhongfan Liu, Yoshihiro Iwasa

NANO LETTERS　12　(5)　2212-2216　2012/05

DOI： 10.1021/nl204012c 　

ISSN： 1530-6984

eISSN： 1530-6992

Electrostatically and electrochemically induced superconducting state realized in electrochemical cells Peer-reviewed

Y. Kasahara, T. Nishijima, T. Sato, Y. Takeuchi, J. T. Ye, H. T. Yuan, H. Shimotani, Y. Iwasa

Journal of Physics: Conference Series　400　(2)　022049-1-022049-4　2012

DOI： 10.1088/1742-6596/400/2/022049 　

ISSN： 1742-6596 1742-6588

Room temperature ferromagnetism induced by electric field in cobalt-doped TiO2 Peer-reviewed

T. Fukumura, Y. Yamada, K. Ueno, H. T. Yuan, H. Shimotani, Y. Iwasa, L. Gu, S. Tsukimoto, Y. Ikuhara, M. Kawasaki

DIELECTRIC MATERIALS AND METALS FOR NANOELECTRONICS AND PHOTONICS 10　50　(4)　53-57　2012

DOI： 10.1149/05004.0053ecst 　

ISSN： 1938-5862

Strain-Mediated Phase Control and Electrolyte-Gating of Electron-Doped Manganites Peer-reviewed

Ping-Hua Xiang, Shutaro Asanuma, Hiroyuki Yamada, Isao H. Inoue, Hiroshi Sato, Hiroshi Akoh, Akihito Sawa, Kazunori Ueno, Hongtao Yuan, Hidekazu Shimotani, Masashi Kawasaki, Yoshihiro Iwasa

ADVANCED MATERIALS　23　(48)　5822-+　2011/12

DOI： 10.1002/adma.201102968 　

ISSN： 0935-9648

Molecular thermal contraction of the Ar@C-60 endohedral fullerene Peer-reviewed

N. Dragoe, A. M. Flank, P. Lagarde, S. Ito, H. Shimotani, H. Takagi

PHYSICAL REVIEW B　84　(15)　155448　2011/10

DOI： 10.1103/PhysRevB.84.155448 　

ISSN： 1098-0121

Accessing the transport properties of graphene and its multilayers at high carrier density Peer-reviewed

Jianting Ye, Monica F. Craciun, Mikito Koshino, Saverio Russo, Seiji Inoue, Hongtao Yuan, Hidekazu Shimotani, Alberto F. Morpurgo, Yoshihiro Iwasa

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA　108　(32)　13002-13006　2011/08

DOI： 10.1073/pnas.1018388108 　

ISSN： 0027-8424

Liquid-Gated Ambipolar Transport in Ultrathin Films of a Topological Insulator Bi2Te3 Peer-reviewed

Hongtao Yuan, Hongwen Liu, Hidekazu Shimotani, Hua Guo, Mingwei Chen, Qikun Xue, Yoshihiro Iwasa

NANO LETTERS　11　(7)　2601-2605　2011/07

DOI： 10.1021/nl201561u 　

ISSN： 1530-6984

Discovery of superconductivity in KTaO3 by electrostatic carrier doping Peer-reviewed

K. Ueno, S. Nakamura, H. Shimotani, H. T. Yuan, N. Kimura, T. Nojima, H. Aoki, Y. Iwasa, M. Kawasaki

NATURE NANOTECHNOLOGY　6　(7)　408-412　2011/07

DOI： 10.1038/NNANO.2011.78 　

ISSN： 1748-3387

Hole reduction and electron accumulation in YBa2Cu3Oy thin films using an electrochemical technique: Evidence for an n-type metallic state Peer-reviewed

T. Nojima, H. Tada, S. Nakamura, N. Kobayashi, H. Shimotani, Y. Iwasa

PHYSICAL REVIEW B　84　(2)　20502　2011/07

DOI： 10.1103/PhysRevB.84.020502 　

ISSN： 1098-0121

Electrically Induced Ferromagnetism at Room Temperature in Cobalt-Doped Titanium Dioxide Peer-reviewed

Y. Yamada, K. Ueno, T. Fukumura, H. T. Yuan, H. Shimotani, Y. Iwasa, L. Gu, S. Tsukimoto, Y. Ikuhara, M. Kawasaki

SCIENCE　332　(6033)　1065-1067　2011/05

DOI： 10.1126/science.1202152 　

ISSN： 0036-8075

27pTB-2 Ab initio calculation of High-density carrier accumulation states on ZnO by electric field

Yoon,S. J, Okada,S, Shimotani,H, Arikawa,M, Otani,M, Iwasa,Y

Meeting abstracts of the Physical Society of Japan　66　(1)　879　2011/03

ISSN： 1342-8349

27pTB-2 Ab initio calculation of High-density carrier accumulation states on ZnO by electric field

Yoon,S. J, Okada,S, Shimotani,H, Arikawa,M, Otani,M, Iwasa,Y

Meeting abstracts of the Physical Society of Japan　66　(1)　647　2011/03

ISSN： 1342-8349

Electric-Field-Induced Superconductivity Detected by Magnetization Measurements of an Electric-Double-Layer Capacitor Peer-reviewed

Yuichi Kasahara, Takahiro Nishijima, Tatsuya Sato, Yuki Takeuchi, Jianting Ye, Hongtao Yuan, Hidekazu Shimotani, Yoshihiro Iwasa

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　80　(2)　23708　2011/02

DOI： 10.1143/JPSJ.80.023708 　

ISSN： 0031-9015

Creating novel transport properties in electric double layer field effect transistors based on layered materials Peer-reviewed

J. T. Ye, M. F. Craciun, M. Koshino, S. Russo, Y. Kasahara, H. T. Yuan, H. Shimotani, A. F. Morpurgo, Y. Iwasa

Materials Research Society Symposium Proceedings　1288　103-108　2011

DOI： 10.1557/opl.2011.289 　

ISSN： 0272-9172

Emergence of superconductivity on a SrTiO3 surface by electric-field charge accumulation Peer-reviewed

K. Ueno, S. Nakamura, H. Shimotani, T. Nojima, Y. Iwasa, M. Kawasaki

OXIDE-BASED MATERIALS AND DEVICES II　7940　26　2011

DOI： 10.1117/12.879922 　

ISSN： 0277-786X

Liquid-gated electric-double-layer transistor on layered metal dichalcogenide, SnS2 Peer-reviewed

H. T. Yuan, M. Toh, K. Morimoto, W. Tan, F. Wei, H. Shimotani, Ch Kloc, Y. Iwasa

APPLIED PHYSICS LETTERS　98　(1)　12102　2011/01

DOI： 10.1063/1.3535613 　

ISSN： 0003-6951

Vibrational properties of noble gas endohedral fullerenes Peer-reviewed

Fanica Cimpoesu, Seitaro Ito, Hidekazu Shimotani, Hidenori Takagi, Nita Dragoe

PHYSICAL CHEMISTRY CHEMICAL PHYSICS　13　(20)　9609-9615　2011

DOI： 10.1039/c1cp20279k 　

ISSN： 1463-9076

Gate induced superconductivity in layered material based electronic double layer field effect transistors Peer-reviewed

J. T. Ye, S. Inoue, K. Kobayashi, Y. Kasahara, H. T. Yuan, H. Shimotani, Y. Iwasa

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS　470　S682-S684　2010/12

DOI： 10.1016/j.physc.2009.10.140 　

ISSN： 0921-4534

Electrostatic and Electrochemical Nature of Liquid-Gated Electric-Double-Layer Transistors Based on Oxide Semiconductors Peer-reviewed

Hongtao Yuan, Hidekazu Shimotani, Jianting Ye, Sungjae Yoon, Hasniah Aliah, Atsushi Tsukazaki, Masashi Kawasaki, Yoshihiro Iwasa

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　132　(51)　18402-18407　2010/12

DOI： 10.1021/ja108912x 　

ISSN： 0002-7863

eISSN： 1520-5126

Tunable Carbon Nanotube Thin-Film Transistors Produced Exclusively via Inkjet Printing Peer-reviewed

Haruya Okimoto, Taishi Takenobu, Kazuhiro Yanagi, Yasumitsu Miyata, Hidekazu Shimotani, Hiromichi Kataura, Yoshihiro Iwasa

ADVANCED MATERIALS　22　(36)　3981-3986　2010/11

DOI： 10.1002/adma.201000889 　

ISSN： 0935-9648

Tuning of the metal-insulator transition in electrolyte-gated NdNiO3 thin films Peer-reviewed

S. Asanuma, P. -H. Xiang, H. Yamada, H. Sato, I. H. Inoue, H. Akoh, A. Sawa, K. Ueno, H. Shimotani, H. Yuan, M. Kawasaki, Y. Iwasa

APPLIED PHYSICS LETTERS　97　(14)　142110-1-142110-3　2010/10

DOI： 10.1063/1.3496458 　

ISSN： 0003-6951

Green light emission from the edges of organic single-crystal transistors Peer-reviewed

Yohei Yomogida, Taishi Takenobu, Hidekazu Shimotani, Kosuke Sawabe, Satria Zulkarnaen Bisri, Takeshi Yamao, Shu Hotta, Yoshihiro Iwasa

APPLIED PHYSICS LETTERS　97　(17)　173301　2010/10

DOI： 10.1063/1.3504690 　

ISSN： 0003-6951

eISSN： 1077-3118

Electrostatic charge accumulation versus electrochemical doping in SrTiO3 electric double layer transistors Peer-reviewed

K. Ueno, H. Shimotani, Y. Iwasa, M. Kawasaki

APPLIED PHYSICS LETTERS　96　(25)　252107-1-252107-3　2010/06

DOI： 10.1063/1.3457785 　

ISSN： 0003-6951

Hydrogenation-Induced Surface Polarity Recognition and Proton Memory Behavior at Protic-Ionic-Liquid/Oxide Electric-Double-Layer Interfaces Peer-reviewed

Hongtao Yuan, Hidekazu Shimotani, Atsushi Tsukazaki, Akira Ohtomo, Masashi Kawasaki, Yoshihiro Iwasa

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　132　(19)　6672-6678　2010/05

DOI： 10.1021/ja909110s 　

ISSN： 0002-7863

Liquid-gated interface superconductivity on an atomically flat film Peer-reviewed

J. T. Ye, S. Inoue, K. Kobayashi, Y. Kasahara, H. T. Yuan, H. Shimotani, Y. Iwasa

NATURE MATERIALS　9　(2)　125-128　2010/02

DOI： 10.1038/NMAT2587 　

ISSN： 1476-1122

Electric double layer transistor with a (Ga,Mn)As channel Peer-reviewed

M. Endo, D. Chiba, H. Shimotani, F. Matsukura, Y. Iwasa, H. Ohno

APPLIED PHYSICS LETTERS　96　(2)　022515-1-022515-3　2010/01

DOI： 10.1063/1.3277146 　

ISSN： 0003-6951

eISSN： 1077-3118

Low-Voltage Operation of Ink-Jet-Printed Single-Walled Carbon Nanotube Thin Film Transistors Peer-reviewed

Haruya Okimoto, Taishi Takenobu, Kazuhiro Yanagi, Hizekazu Shimotani, Yasumitsu Miyata, Hiromichi Kataura, Yoshihiro Iwasa

JAPANESE JOURNAL OF APPLIED PHYSICS　49　(2)　02BD09　2010

DOI： 10.1143/JJAP.49.02BD09 　

ISSN： 0021-4922

High Mobility and Luminescent Efficiency in Organic Single-Crystal Light-Emitting Transistors Peer-reviewed

Satria Zulkarnaen Bisri, Taishi Takenobu, Yohei Yomogida, Hidekazu Shimotani, Takeshi Yamao, Shu Hotta, Yoshihiro Iwasa

ADVANCED FUNCTIONAL MATERIALS　19　(11)　1728-1735　2009/06

DOI： 10.1002/adfm.200900028 　

ISSN： 1616-301X

eISSN： 1616-3028

High-Density Carrier Accumulation in ZnO Field-Effect Transistors Gated by Electric Double Layers of Ionic Liquids Peer-reviewed

Hidekazu Shimotani

Advanced Functional Materials　19　(7)　1046-1053　2009/04/09

DOI： 10.1002/ADFM.200801633 　

Preparation of n-type YBa2Cu3Oy films by an electrochemical reaction method Peer-reviewed

H. Tada, T. Nojima, S. Nakamura, H. Shimotani, Y. Iwasa, N. Kobayashi

Journal of Physics: Conference Series　150　(5)　052255_1-052255_4　2009

DOI： 10.1088/1742-6596/150/5/052255 　

ISSN： 1742-6596 1742-6588

Electric-field-induced superconductivity in an insulator Peer-reviewed

K. Ueno, S. Nakamura, H. Shimotani, A. Ohtomo, N. Kimura, T. Nojima, H. Aoki, Y. Iwasa, M. Kawasaki

NATURE MATERIALS　7　(11)　855-858　2008/11

DOI： 10.1038/nmat2298 　

ISSN： 1476-1122

Effect of postannealing on the performance of pentacene single-crystal ambipolar transistors Peer-reviewed

Taishi Takenobu, Kazuhiro Watanabe, Yohei Yomogida, Hidekazu Shimotani, Yoshihiro Iwasa

APPLIED PHYSICS LETTERS　93　(7)　073301　2008/08

DOI： 10.1063/1.2969772 　

ISSN： 0003-6951

eISSN： 1077-3118

p-type field-effect transistor of NiO with electric double-layer gating Peer-reviewed

Hidekazu Shimotani, Hirotaka Suzuki, Kazunori Ueno, Masashi Kawasaki, Yoshihiro Iwasa

APPLIED PHYSICS LETTERS　92　(24)　24217　2008/06

DOI： 10.1063/1.2939006 　

ISSN： 0003-6951

On the synthesis conditions of n and N-2 endohedral fullerenes Peer-reviewed

Seitaro Ito, Hidekazu Shimotani, Hidenori Takagi, Nita Dragoe

FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES　16　(3)　206-213　2008/05

DOI： 10.1080/15363830802064187 　

ISSN： 1536-383X

Insulator-to-metal transition in ZnO by electric double layer gating Peer-reviewed

Hidekazu Shimotani, Haruhiko Asanuma, Atsushi Tsukazaki, Akira Ohtomo, Masashi Kawasaki, Yoshihiro Iwasa

APPLIED PHYSICS LETTERS　91　(8)　082106　2007/08

DOI： 10.1063/1.2772781 　

ISSN： 0003-6951

Electric double layer transistor of organic semiconductor crystals in a four-probe configuration Peer-reviewed

Hidekazu Shimotani, Haruhiko Asanuma, Yoshihiro Iwasa

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　46　(6A)　3613-3617　2007/06

DOI： 10.1143/JJAP.46.3613 　

ISSN： 0021-4922

Superconductivity of doped Ar@C-60 Peer-reviewed

Kenichi Yakigaya, Atsuhiko Takeda, Yasunori Yokoyama, Seitaro Ito, Takashi Miyazaki, Tomohiro Suetsuna, Hidekazu Shimotani, Toru Kakiuchi, Hiroshi Sawa, Hidenori Takagi, Koichi Kitazawa, Nita Dragoe

NEW JOURNAL OF CHEMISTRY　31　(6)　973-979　2007

DOI： 10.1039/b700726d 　

ISSN： 1144-0546

Organic single crystal transistors: Interface modification with SAMs and double gate structure Peer-reviewed

Yoshihiro Iwasa, Haruhiko Asanuma, Hidekazo Shimotani, Taishi Takenobu, Takao Nishikawa, Jun Takeya

Molecular Crystals and Liquid Crystals　455　(1)　277-285　2006/10/01

DOI： 10.1080/15421400600698691 　

ISSN： 1542-1406

eISSN： 1563-5287

Specific heat capacity and magnetic susceptibility of superconducting Ba24Si100 Peer-reviewed

Takeshi Rachi, Katsumi Tanigaki, Ryotaro Kumashiro, Kensuke Kobayashi, Harukazu Yoshino, Keizo Murata, Hiroshi Fukuoka, Syoji Yamanaka, Hidekazu Shimotani, Taishi Takenobu, Yoshihiro Iwasa, Takahiko Sasaki, Norio Kobayashi, Yuji Miyazaki, Kazuya Saito

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS　67　(5-6)　1334-1337　2006/05

DOI： 10.1016/j.jpcs.2006.01.071 　

ISSN： 0022-3697

Gate capacitance in electrochemical transistor of single-walled carbon nanotube Peer-reviewed

H Shimotani, T Kanbara, Y Iwasa, K Tsukagoshi, Y Aoyagi, H Kataura

APPLIED PHYSICS LETTERS　88　(7)　073104　2006/02

DOI： 10.1063/1.2173626 　

ISSN： 0003-6951

eISSN： 1077-3118

Superconductivity of doped Ar@C-60 Peer-reviewed

A Takeda, Y Yokoyama, S Ito, T Miyazaki, H Shimotani, K Yakigaya, T Kakiuchi, H Sawa, H Takagi, K Kitazawa, N Dragoe

CHEMICAL COMMUNICATIONS　(8)　912-914　2006

DOI： 10.1039/b51494f 　

ISSN： 1359-7345

Electrolyte-gated charge accumulation in organic single crystals Peer-reviewed

Hidekazu Shimotani, Haruhiko Asanuma, Jun Takeya, Yoshihiro Iwasa

Applied Physics Letters　89　(20)　203501　2006

DOI： 10.1063/1.2387884 　

ISSN： 0003-6951

Superconductivity and physical properties of Ba24Si100 determined from electric transport, specific-heat capacity, and magnetic susceptibility measurements Peer-reviewed

T Rachi, H Yoshino, R Kumashiro, M Kitajima, K Kobayashi, K Yokogawa, K Murata, N Kimura, H Aoki, H Fukuoka, S Yamanaka, H Shimotani, T Takenobu, Y Iwasa, T Sasaki, N Kobayashi, Y Miyazaki, K Saito, FZ Guo, K Kobayashi, K Osaka, K Kato, M Takata, K Tanigaki

PHYSICAL REVIEW B　72　(14)　144504　2005/10

DOI： 10.1103/PhysRevB.72.144504 　

ISSN： 1098-0121

eISSN： 1550-235X

Specific Heat Capacity and Magnetic Susceptibility of Superconducting Ba24Si100 Peer-reviewed

T.Rachi, H.Yoshino, R.Kumashiro, M.Kitajima, K.Kobayashi, K. Yokogawa, K. Murata, N. Kimura, H. Aoki, H. Fukuoka, S. Yamanaka, H.Shimotani, T.Takenobu, Y.Iwasa, T.Sasaki, N.Kobayashi, Y. Miyazaki, K. Saito, F.Z. Guo, K. Kobayashi, K. Osaka, K. Kato, M. Takata, K.Tanigaki

Phys. Rev. B　72　144504　2005/06

DOI： 10.1103/PhysRevB.72.144504 　

Direct comparison of field-effect and electrochemical doping in regioregular poly(3-hexylthiophene) Peer-reviewed

Hidekazu Shimotani, Gildas Diguet, Yoshihiro Iwasa

Applied Physics Letters　86　(2)　1-22104　2005/01/10

DOI： 10.1063/1.1850614 　

ISSN： 0003-6951

25aYK-6 Effects of Ratting in Superconducting Silicon Clathrate Compound Ba_<24>Si_<100>

Rachi T., Iwasa Y., Sasaki T., Kobayashi N., Miyazaki Y., Saito K., Tanigaki K., Kobayashi K., Yoshino H., Murata K., Fukuoka H., Yamanaka S., Shimotani H., Takenobu T.

Meeting Abstracts of the Physical Society of Japan　60　784-784　2005

DOI： 10.11316/jpsgaiyo.60.1.4.0_784_4 　

Effects of polarized organosilane self-assembled monolayers on organic single-crystal field-effect transistors Peer-reviewed

J. Takeya, T. Nishikawa, T. Takenobu, H. Shimotani, S. Kobayashi, T. Mitani, Y. Iwasa

Materials Research Society Symposium Proceedings　871　71　2005

DOI： 10.1557/PROC-871-I7.1 　

ISSN： 0272-9172

Control of carrier density by self-assembled monolayers in organic field-effect transistors Peer-reviewed

S Kobayashi, T Nishikawa, T Takenobu, S Mori, T Shimoda, T Mitani, H Shimotani, N Yoshimoto, S Ogawa, Y Iwasa

NATURE MATERIALS　3　(5)　317-322　2004/05

DOI： 10.1038/nmat1105 　

ISSN： 1476-1122

Quantum chemical study on La2@C80: Configuration of endohedral metals Peer-reviewed

Hidekazu Shimotani, Takayoshi Ito, Atsushi Taninaka, Hisanori Shinohara, Yoshihiro Kubozono, Masaki Takata, Yoshihiro Iwasa

ELECTRONIC PROPERTIES OF SYNTHETIC NANOSTRUCTURES　723　326-329　2004

DOI： 10.1063/1.1812099 　

ISSN： 0094-243X

Quantum chemical study on the configurations of encapsulated metal ions and the molecular vibration modes in endohedral dimetallofullerene La-2@C-80 Peer-reviewed

H Shimotani, T Ito, Y Iwasa, A Taninaka, H Shinohara, E Nishibori, M Takata, M Sakata

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　126　(1)　364-369　2004/01

DOI： 10.1021/ja038208i 　

ISSN： 0002-7863

Separation of N2@C60 and N@C60

Hidekazu Shimotani

Chemistry - A European Journal　2003

DOI： 10.1002/CHEM.200390071 　

Photoinduced electron transfer and enhanced fluorescence Of C-60 pearl-necklace polymers Peer-reviewed

LX Xiao, H Shimotani, N Dragoe, A Sugita, K Saigo, Y Iwasa, T Kobayashi, K Kitazawa

CHEMICAL PHYSICS LETTERS　368　(5-6)　738-744　2003/01

DOI： 10.1016/S0009-2614(02)01924-3 　

ISSN： 0009-2614

Separation of N-2@C-60 and N@C-60 Peer-reviewed

T Suetsuna, N Dragoe, W Harneit, A Weidinger, H Shimotani, S Ito, H Takagi, K Kitazawa

CHEMISTRY-A EUROPEAN JOURNAL　8　(22)　5079-5083　2002/11

DOI： 10.1002/1521-3765(20021115)8:22<5079::AID-CHEM5079>3.0.CO;2-H 　

ISSN： 0947-6539

Photophysical and photochemical processes of an unsymmetrical fullerene dimer, C-121 Peer-reviewed

M Fujitsuka, O Ito, N Dragoe, S Ito, H Shimotani, H Takagi, K Kitazawa

JOURNAL OF PHYSICAL CHEMISTRY B　106　(34)　8562-8568　2002/08

DOI： 10.1021/jp025592h 　

ISSN： 1520-6106

Theoretical studies on the structures and energetics of C122H4 isomers Peer-reviewed

H Shimotani, N Dragoe, K Kitazawa

PHYSICAL CHEMISTRY CHEMICAL PHYSICS　4　(3)　428-431　2002

DOI： 10.1039/b106319g 　

ISSN： 1463-9076

Crystallographic characterization of Kr@C-60 in (0.09Kr@C-60/0.91C(60))center dot{Ni-II(OEP)}center dot 2C(6)H(6) Peer-reviewed

HM Lee, MM Olmstead, T Suetsuna, H Shimotani, N Dragoe, RJ Cross, K Kitazawa, AL Balch

CHEMICAL COMMUNICATIONS　(13)　1352-1353　2002

DOI： 10.1039/b202925c 　

ISSN： 1359-7345

Chromatographic purification of Kr@C-60 Peer-reviewed

T Suetsuna, N Dragoe, H Shimotani, A Takeda, S Ito, RJ Cross, M Saunders, H Takagi, K Kitazawa

FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES　10　(1)　15-21　2002

DOI： 10.1081/FST-120002926 　

ISSN： 1536-383X

Theoretical studies of the structures and stabilities of dumbell-like fullerene dimers: C-121 Peer-reviewed

H Shimotani, N Dragoe, K Kitazawa

JOURNAL OF PHYSICAL CHEMISTRY A　105　(20)　4980-4987　2001/05

DOI： 10.1021/jp004460q 　

ISSN： 1089-5639

First unsymmetrical bisfullerene, C-121: Evidence for the presence of both homofullerene and methanofullerene cages in one molecule Peer-reviewed

N Dragoe, H Shimotani, J Wang, M Iwaya, A de Bettencourt-Dias, AL Balch, K Kitazawa

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　123　(7)　1294-1301　2001/02

DOI： 10.1021/ja003350u 　

ISSN： 0002-7863

Synthesis and structure of all-carbon bisfullerene C-121 Peer-reviewed

H Shimotani, J Wang, N Dragoe, K Kitazawa

AIP Conference Proceedings　590　(1)　397-400　2001

DOI： 10.1063/1.1420136 　

ISSN： 0094-243X

Electronic interactions in a new fullerene dimer: C122H4, with two methylene bridges Peer-reviewed

Nita Dragoe, Hidekazu Shimotani, Minoru Hayashi, Kazuhiko Saigo, Ana De Bettencourt-Dias, Alan L. Balch, Yoko Miyake, Yohji Achiba, Koichi Kitazawa

Journal of Organic Chemistry　65　(11)　3269-3273　2000/06/02

DOI： 10.1021/jo991676j 　

ISSN： 0022-3263

Synthesis and electrochemical behavior of regioisomeric bismethanofullerene derivatives Peer-reviewed

LX Xiao, M Ozawa, M Iwaya, J Wang, H Shimotani, N Dragoe, S Tanibayashi, K Kitazawa

FULLERENE SCIENCE AND TECHNOLOGY　8　(1-2)　77-88　2000

ISSN： 1064-122X

The synthesis and characterization of 1 '-bromo-1,2-methano[60]-fullerene Peer-reviewed

N Dragoe, M Iwaya, H Shimotani, K Kitazawa

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2　(9)　1885-1888　2000

DOI： 10.1039/b003252m 　

ISSN： 1470-1820

All-carbon [60]fullerene oligomers of pearl-necklace type Peer-reviewed

N Dragoe, K Nakahara, H Shimotani, L Xiao, S Tanibayashi, T Higuchi, K Kitazawa

FULLERENE SCIENCE AND TECHNOLOGY　8　(6)　545-559　2000

ISSN： 1064-122X

Synthesis of a novel [60]fullerene pearl-necklace polymer, poly(4,4 '-carbonylbisphenylene trans-2-[60]fullerenobisacetamide) Peer-reviewed

LX Xiao, H Shimotani, M Ozawa, J Li, N Dragoe, K Saigo, K Kitazawa

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY　37　(18)　3632-3637　1999/09

DOI： 10.1002/(SICI)1099-0518(19990915)37:18<3632::AID-POLA11>3.0.CO;2-# 　

ISSN： 0887-624X

Formation and characterization of a new fullerene dimer: C121O

Hidekazu Shimotani

RECENT ADVANCES IN THE CHEMISTRY AND PHYSICS OF FULLERENES AND RELATED MATERIAL, VOL 7　1999

Thermal decomposition of fullerene derivatives. A synthesis method of new fullerene based molecules

N. Dragoe, K. Nakahara, L. Xiao, H. Shimotani, K. Kitazawa

Journal of Thermal Analysis and Calorimetry　56　(1)　167-173　1999

ISSN： 1388-6150

Carbon allotropes of dumbbell structure: C-121 and C-122 Peer-reviewed

N Dragoe, S Tanibayashi, K Nakahara, S Nakao, H Shimotani, L Xiao, K Kitazawa, Y Achiba, K Kikuchi, K Nojima

CHEMICAL COMMUNICATIONS　(1)　85-86　1999/01

DOI： 10.1039/a808874h 　

ISSN： 1359-7345