研究者詳細

顔写真

チヤン　グアンフエイ
Cheng Guanghui
Cheng Guanghui
所属
高等研究機構学際科学フロンティア研究所　新領域創成研究部学際基盤研究分野　デバイス・テクノロジー研究領域
職名
助教
学位

  • Ｐｈ．Ｄ．（University of Science and Technology of China）

e-Rad 研究者番号
10862336

研究キーワード 1

  • Coupled 2D systems, 2D magnetism and superconductivity

研究分野 2

  • ナノテク・材料 / ナノ材料科学 /

  • 自然科学一般 / 磁性、超伝導、強相関系 /

論文 25

  1. Spontaneously formed phonon frequency combs in van der Waals solid CrGeTe3 and CrSiTe3

    Lebing Chen, Gaihua Ye, Cynthia Nnokwe, Xing-Chen Pan, Katsumi Tanigaki, Guanghui Cheng, Yong Chen, Jiaqiang Yan, David Mandrus, Andres E. Llacsahuanga Allcca, Nathan Giles-Donovan, Rui He

    Nature Communications　2025年7月1日

    DOI： 10.1038/s41467-025-61173-7 　

    ISSN：2041-1723

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    <jats:title>Abstract</jats:title> <jats:p>Optical phonon engineering through nonlinear effects has been utilized in ultrafast control of material properties. However, nonlinear optical phonons typically exhibit rapid decay due to strong mode-mode couplings, limiting their effectiveness in temperature or frequency sensitive applications. Here we report the observation of long-lived nonlinear optical phonons through the spontaneous formation of phonon frequency combs in the van der Waals material CrXTe<jats:sub>3</jats:sub> (X=Ge, Si) using high-resolution Raman scattering. Unlike conventional optical phonons, the highest <jats:italic>A</jats:italic> <jats:sub>g</jats:sub> mode in CrGeTe<jats:sub>3</jats:sub> splits into equidistant, sharp peaks forming a frequency comb that persists for hundreds of oscillations and survives up to 200K. These modes correspond to localized oscillations of Ge<jats:sub>2</jats:sub>Te<jats:sub>6</jats:sub> clusters, isolated from Cr hexagons, behaving as independent quantum oscillators. Introducing a cubic nonlinear term to the harmonic oscillator model, we simulate the phonon time evolution and successfully replicate the observed comb structure. Similar frequency comb behavior is observed in CrSiTe<jats:sub>3</jats:sub>, demonstrating the generalizability of this phenomenon. Our findings demonstrate that Raman scattering effectively probes high-frequency nonlinear phonon modes, offering insight into the generation of long-lived, tunable phonon frequency combs with potential applications in ultrafast material control and phonon-based technologies.</jats:p>

  2. Reversible modulation of superconductivity in thin-film NbSe2 via plasmon coupling

    Guanghui Cheng, Meng-Hsien Lin, Hung-Ying Chen, Dongli Wang, Zheyan Wang, Wei Qin, Zhenyu Zhang, Changgan Zeng

    Nature Communications　2024年7月18日

    DOI： 10.1038/s41467-024-50452-4 　

  3. Quantitative analysis of polarization behaviors of trion states in monolayer WS2 in a magnetic field

    Zijing Jin, Baikui Li, Guanghui Cheng, Chengjie Zhou, Hui Li, jiannong wang

    Physical Review Applied　2023年12月13日

    DOI： 10.1103/physrevapplied.20.064023 　

    ISSN：2331-7019

  4. Electrically tunable moiré magnetism in twisted double bilayers of chromium triiodide

    Guanghui Cheng, Mohammad Mushfiqur Rahman, Andres Llacsahuanga Allcca, Avinash Rustagi, Xingtao Liu, Lina Liu, Lei Fu, Yanglin Zhu, Zhiqiang Mao, Kenji Watanabe, Takashi Taniguchi, Pramey Upadhyaya, Yong P. Chen

    Nature Electronics　2023年6月19日

    DOI： 10.1038/s41928-023-00978-0 　

  5. Emergence of electric-field-tunable interfacial ferromagnetism in 2D antiferromagnet heterostructures

    Guanghui Cheng, Mohammad Mushfiqur Rahman, Zhiping He, Andres Llacsahuanga Allcca, Avinash Rustagi, Kirstine Aggerbeck Stampe, Yanglin Zhu, Shaohua Yan, Zhiqiang Mao, Hechang LEI, Kenji Watanabe, Takashi Taniguchi, Pramey Upadhyaya, Yong P. Chen

    Nature Communications　13　(1)　2022年12月15日

    出版者・発行元： Springer Science and Business Media {LLC}

    DOI： 10.1038/s41467-022-34812-6 　

    ISSN：2041-1723

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    <jats:title>Abstract</jats:title><jats:p>Van der Waals (vdW) magnet heterostructures have emerged as new platforms to explore exotic magnetic orders and quantum phenomena. Here, we study heterostructures of layered antiferromagnets, CrI<jats:sub>3</jats:sub> and CrCl<jats:sub>3</jats:sub>, with perpendicular and in-plane magnetic anisotropy, respectively. Using magneto-optical Kerr effect microscopy, we demonstrate out-of-plane magnetic order in the CrCl<jats:sub>3</jats:sub> layer proximal to CrI<jats:sub>3</jats:sub>, with ferromagnetic interfacial coupling between the two. Such an interlayer exchange field leads to higher critical temperature than that of either CrI<jats:sub>3</jats:sub> or CrCl<jats:sub>3</jats:sub> alone. We further demonstrate significant electric-field control of the coercivity, attributed to the naturally broken structural inversion symmetry of the heterostructure allowing unprecedented direct coupling between electric field and interfacial magnetism. These findings illustrate the opportunity to explore exotic magnetic phases and engineer spintronic devices in vdW heterostructures.</jats:p>

  6. Hexagonal Network of Photocurrent Enhancement in Few-Layer Graphene/InGaN Quantum Dot Junctions

    Guanghui Cheng, Zijing Jin, Chunyu Zhao, Chengjie Zhou, Baikui Li, Jiannong Wang

    Nano Letters　2022年9月14日

    DOI： 10.1021/acs.nanolett.2c01766 　

  7. Observation of Diffusion and Drift of the Negative Trions in Monolayer WS2

    Guanghui Cheng, Baikui Li, Zijing Jin, Meng Zhang, Jiannong Wang

    Nano Letters　2021年7月28日

    出版者・発行元： American Chemical Society ({ACS})

    DOI： 10.1021/acs.nanolett.1c02351 　

  8. Ambipolar Photocarrier Doping and Transport in Monolayer WS₂ by Forming a Graphene/WS₂/Quantum Dots Heterostructure

    Guanghui Cheng, Baikui Li, Chunyu Zhao, Zijing Jin, Kei May Lau, Jiannong Wang

    IEEE Electron Device Letters　42　(3)　371-374　2021年3月

    出版者・発行元： Institute of Electrical and Electronics Engineers ({IEEE})

    DOI： 10.1109/LED.2021.3051304 　

  9. InGaN quantum dots with short exciton lifetimes grown on polar c-plane by metal-organic chemical vapor deposition

    Chunyu Zhao, Chak Wah Tang, Guanghui Cheng, Jiannong Wang, Kei May Lau

    Materials Research Express　7　(11)　115903-115903　2020年11月1日

    出版者・発行元： {IOP} Publishing

    DOI： 10.1088/2053-1591/abcac2 　

  10. Low-efficiency-droop InGaN quantum dot light-emitting diodes operating in the “green gap”

    Guanghui Cheng

    Photonics Research　2020年2月25日

    DOI： 10.1364/prj.380158 　

    ISSN：2327-9125

  11. Exciton aggregation induced photoluminescence enhancement of monolayer WS2 査読有り

    Guanghui Cheng, Baikui Li, Chunyu Zhao, Zijing Jin, Hui Li, Kei May Lau, Jiannong Wang

    Applied Physics Letters　2019年6月10日

    DOI： 10.1063/1.5096206 　

  12. Bulk Heterojunction Quasi-Two-Dimensional Perovskite Solar Cell with 1.18 V High Photovoltage 査読有り

    Han Wang, Guanghui Cheng, Jiangsheng Xie, Shenghe Zhao, Minchao Qin, Christopher C. S. Chan, Yongcai Qiu, Guangxu Chen, Chunhui Duan, Kam Sing Wong, Jiannong Wang, Xinhui Lu, Jianbin Xu, Keyou Yan

    ACS Applied Materials & Interfaces　11　(3)　2935-2943　2019年1月23日

    出版者・発行元： American Chemical Society ({ACS})

    DOI： 10.1021/acsami.8b17030 　

  13. Interface charge-transfer induced intralayer excited-state biexcitons in graphene/WS2 van der Waals heterostructures 査読有り

    Yang Li, Nore Stolte, Baikui Li, Hui Li, Guanghui Cheng, Ding Pan, Jiannong Wang

    Nanoscale　11　(28)　13552-13557　2019年

    出版者・発行元： Royal Society of Chemistry ({RSC})

    DOI： 10.1039/C9NR02862E 　

  14. General Nondestructive Passivation by 4‐Fluoroaniline for Perovskite Solar Cells with Improved Performance and Stability 査読有り

    Shenghe Zhao, Jiangsheng Xie, Guanghui Cheng, Yuren Xiang, Houyu Zhu, Wenyue Guo, Han Wang, Minchao Qin, Xinhui Lu, Junle Qu, Jiannong Wang, Jianbin Xu, Keyou Yan

    Small　14　(50)　1803350-1803350　2018年11月

    出版者・発行元： Wiley

    DOI： 10.1002/smll.201803350 　

    ISSN：1613-6810

  15. Interfacially Bound Exciton State in a Hybrid Structure of Monolayer WS2 and InGaN Quantum Dots 査読有り

    Guanghui Cheng, Baikui Li, Chunyu Zhao, Xin Yan, Hong Wang, Kei May Lau, Jiannong Wang

    Nano Letters　18　(9)　5640-5645　2018年9月12日

    出版者・発行元： American Chemical Society ({ACS})

    DOI： 10.1021/acs.nanolett.8b02143 　

  16. Linear positive and negative magnetoresistance in topological insulator Bi2Se3 flakes 査読有り

    Huachen Zhang, Hui Li, Huanwen Wang, Guanghui Cheng, Hongtao He, Jiannong Wang

    Applied Physics Letters　113　(11)　113503-113503　2018年9月10日

    出版者・発行元： {AIP} Publishing

    DOI： 10.1063/1.5044686 　

    ISSN：0003-6951

  17. Manipulation of electronic phases in Au-nanodots-decorated manganite films by laser illumination 査読有り

    Hui Li, Kaixuan Zhang, Dongli Wang, Han Xu, Haibiao Zhou, Xiaodong Fan, Guanghui Cheng, Long Cheng, Qingyou Lu, Lin Li, Changgan Zeng

    Physical Review Materials　2　(6)　2018年6月6日

    出版者・発行元： American Physical Society ({APS})

    DOI： 10.1103/physrevmaterials.2.064403 　

    ISSN：2475-9953

  18. Bandgap Engineering of InSe Single Crystals through S Substitution 査読有り

    Hui Li, Xu Han, Ding Pan, Xin Yan, Huan-Wen Wang, Changming Wu, Guanghui Cheng, Huachen Zhang, Shuo Yang, Baikui Li, Hongtao He, Jiannong Wang

    Crystal Growth & Design　18　(5)　2899-2904　2018年3月

    出版者・発行元： American Chemical Society ({ACS})

    DOI： 10.1021/acs.cgd.7b01751 　

    ISSN：1528-7483

  19. Topological zero-line modes in folded bilayer graphene 査読有り

    Tao Hou, Guanghui Cheng, Wang-Kong Tse, Changgan Zeng, Zhenhua Qiao

    Physical Review B　98　(24)　2018年

    出版者・発行元： American Physical Society ({APS})

    DOI： 10.1103/physrevb.98.245417 　

    ISSN：2469-9950

  20. Nano-imaging of an edge-excited plasmon mode in graphene 査読有り

    Guanghui Cheng, Dongli Wang, Siyuan Dai, Xiaodong Fan, Fei Wu, Xiaoguang Li, Changgan Zeng

    Nanoscale　10　(34)　16314　2018年

    出版者・発行元： Royal Society of Chemistry ({RSC})

    DOI： 10.1039/c8nr04623a 　

    ISSN：2040-3364

  21. Optical Manipulation of Rashba Spin-Orbit Coupling at SrTiO3-Based Oxide Interfaces 査読有り

    Long Cheng, Laiming Wei, Haixing Liang, Yuedong Yan, Guanghui Cheng, Meng Lv, Tie Lin, Tingting Kang, Guolin Yu, Junhao Chu, Zhenyu Zhang, Changgan Zeng

    NANO LETTERS　17　(11)　6534-6539　2017年11月

    DOI： 10.1021/acs.nanolett.7b02128 　

    ISSN：1530-6984

    eISSN：1530-6992

  22. Substantially Enhancing Quantum Coherence of Electrons in Graphene via Electron-Plasmon Coupling 査読有り

    Guanghui Cheng, Wei Qin, Meng-Hsien Lin, Laiming Wei, Xiaodong Fan, Huayang Zhang, Shangjr Gwo, Changgan Zeng, J. G. Hou, Zhenyu Zhang

    PHYSICAL REVIEW LETTERS　119　(15)　2017年10月

    DOI： 10.1103/PhysRevLett.119.156803 　

    ISSN：0031-9007

    eISSN：1079-7114

  23. Interlayer Transition and Infrared Photodetection in Atomically Thin Type-II MoTe2/MoS2 van der Waals Heterostructures 査読有り

    Kenan Zhang, Tianning Zhang, Guanghui Cheng, Tianxin Li, Shuxia Wang, Wei Wei, Xiaohao Zhou, Weiwei Yu, Yan Sun, Peng Wang, Dong Zhang, Changgan Zeng, Xingjun Wang, Weida Hu, Hong Jin Fan, Guozhen Shen, Xin Chen, Xiangfeng Duan, Kai Chang, Ning Dai

    ACS NANO　10　(3)　3852-3858　2016年3月

    DOI： 10.1021/acsnano.6b00980 　

    ISSN：1936-0851

    eISSN：1936-086X

  24. Graphene in proximity to magnetic insulating LaMnO3 査読有り

    Guanghui Cheng, Laiming Wei, Long Cheng, Haixing Liang, Xiaoqiang Zhang, Hui Li, Guolin Yu, Changgan Zeng

    APPLIED PHYSICS LETTERS　105　(13)　2014年9月

    DOI： 10.1063/1.4897224 　

    ISSN：0003-6951

    eISSN：1077-3118

  25. Transparent and flexible electrodes and supercapacitors using polyaniline/single-walled carbon nanotube composite thin films 査読有り

    Jun Ge, Guanghui Cheng, Liwei Chen

    NANOSCALE　3　(8)　3084-3088　2011年

    DOI： 10.1039/c1nr10424a 　

    ISSN：2040-3364

︎全件表示 ︎最初の5件までを表示

講演・口頭発表等 3

  1. Electrically Tunable Moiré Magnetism in Twisted Double Bilayer Antiferromagnets 招待有り

    Guanghui Cheng

    23rd IEEE International Conference on Nanotechnology (IEEE-NANO 2023)　2023年7月4日

  2. Exciton Aggregation;Induced Photoluminescence Enhancement of Monolayer WS2

    Guanghui Cheng

    21st International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON 21)　2019年7月14日

  3. Interfacial Bound Exciton State in a Hybrid Structure of Monolayer WS2 and InGaN Quantum Dots

    Guanghui Cheng

    34th International Conference on the Physics of Semiconductors (ICPS)　2018年7月29日

メディア報道 2

  1. Combining Twistronics with Spintronics Could Be the Next Giant Leap in Quantum Electronics

    AIMR, Tohoku University　https://www.wpi-aimr.tohoku.ac.jp/en/achievements/press/2023/20230620_001636.html

    2023年6月

    メディア報道種別: インターネットメディア

  2. The discovery of interfacial ferromagnetism in 2D antiferromagnet heterostructures

    AIMR, Tohoku University　https://www.wpi-aimr.tohoku.ac.jp/en/achievements/press/2022/20221216_001566.html

    2022年12月

    メディア報道種別: インターネットメディア