Investigations of transient quantum transport phenomena with an optical gate method

• Project/Area Number: 21340076
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Condensed matter physics I
• Research Institution: University of Tsukuba
• Principal Investigator: NOMURA Shintaro 筑波大学, 数理物質系, 准教授 (90271527)
• Co-Investigator(Kenkyū-buntansha): AKAZAKI Tatsuhi 高知工業高等専門学校, 電気情報工学科, 教授 (10393779)
• Project Period (FY): 2009 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥19,630,000 (Direct Cost: ¥15,100,000、Indirect Cost: ¥4,530,000); Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000); Fiscal Year 2011: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000); Fiscal Year 2010: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000); Fiscal Year 2009: ¥13,000,000 (Direct Cost: ¥10,000,000、Indirect Cost: ¥3,000,000)
• Keywords: 局所光励起法 / 量子輸送現象 / 過渡的光測定 / 二次元電子系 / 光ゲート法 / 量子ホール端状態 / 半導体ナノ構造 / 近接場光学顕微鏡 / 光照射効果

Research Abstract

We have succeededin operating a near-field scanning optical microscope in a dilution refrigerator in high magnetic field. This enables us to investigate quantum transport phenomena by applying the methods developed for studies of optical properties. We have performed real-space mapping of quantum Hall edge states, and have succeeded in observing strips due to compressible and incompressible quantum liquids. Moreover, we have paved a way to investigate transient quantum transport phenomena by applying an optical pump-probe method to optical gates.

Research Products

• [Journal Article] Time resolved measurements of ultrafast transport pulses using photoconductive switches (2013)
  • Author(s): K. Ohtaki
  • Journal Title: AIP Conf. Proc. Volume: 印刷中
  • Peer Reviewed
• [Journal Article] Real-space mapping of compressible and incompressible strips by a near-field scanning optical microscope (2011)
  • Author(s): H.Ito, K.Furuya, Y.Shibata, Y.Ootuka, S.Nomura, S.Kashiwaya, M.Yamaguchi, H.Tamura, T.Akazaki
  • Journal Title: AIP Conf.Proc. Volume: 1399 Pages: 603-604
  • DOI: 10.1063/1.3666522
  • Peer Reviewed
• [Journal Article] Near-Field Optical Mapping of Quantum Hall Edge States (2011)
  • Author(s): H. Ito, K. Furuya, Y. Shibata, S. Kashiwaya, M. Yamaguchi, T. Akazaki, H. Tamura, Y. Ootuka, and S. Nomura
  • Journal Title: Phys. Rev. Lett Volume: 107 Issue: 25 Pages: 256803-256803
  • DOI: 10.1103/physrevlett.107.256803
  • NAID: 120007137349
  • URL: http://hdl.handle.net/2241/114819
  • Peer Reviewed
• [Journal Article] Mapping of quantum-Hall edge channels by a dilution-refrigerator based near-field scanning optical microscope (2010)
  • Author(s): H. Ito, Y. Shibata, K. Furuya, Y. Ootuka S. Nomura,S. Kashiwaya, M. Yamaguchi,H. Tamura, and T. Akazaki
  • Journal Title: Journal of Nonlinear Optical Physics & Materials Volume: 19(4) Issue: 04 Pages: 563-569
  • DOI: 10.1142/s0218863510005467
  • Peer Reviewed
• [Journal Article] Position dependent optical effect on the transport properties of S-Sm-S junctions (2010)
  • Author(s): K. Tsumura, S. Nomura, T. Akazaki,andH. Takayanagi
  • Journal Title: Physics Procedia Volume: 3 Pages: 1177-1181
  • URL: http://www.elsevier.com/locate/procedia
  • Peer Reviewed
• [Journal Article] Optical mapping of the boundary of a two-dimensional electron gas by a near-field optical microscopy (2010)
  • Author(s): H. Ito, Y. Shibata, K. Furuya, S. Kashiwaya, Y. Ootuka and S. Nomura
  • Journal Title: Physics Procedia Volume: 3 Pages: 1171-1175
  • URL: http://www.elsevier.com/locate/procedia
  • Peer Reviewed
• [Journal Article] Mapping of quantum-Hall edge channels by a dilution-refrigerator based near-field scanning optical microscope (2010)
  • Author(s): H.Ito, Y.Shihata, K.Furuya, Y.OotukaS.Nomura, S.Kashiwaya, M.Yamaguchi, H.Tamura, , T.Akazaki
  • Journal Title: Journal of Nonlinear Optical Physics&Materials Volume: 49 Pages: 563-569
  • Peer Reviewed
• [Journal Article] Optical mapping of the boundary of a two-dimensional electron gas by a near-field optical microscopy (2010)
  • Author(s): H.Ito, Y.Shibata, K.Furuya, S.Kashiwaya, Y.Ootuka, S.Nomura
  • Journal Title: Physics Procedia 3 Pages: 1171-1175
  • Peer Reviewed
• [Journal Article] Position dependent optical effect on the transport properties of S-Sm-S junctions (2010)
  • Author(s): K.Tsumura, S.Nomura, T.Akazaki, H.Takayanagi
  • Journal Title: Physics Procedia 3 Pages: 1177-1181
  • Peer Reviewed
• [Journal Article] Physics of nano-contact between Si quantum dots and inversion layer (2009)
  • Author(s): Y.Sakurai, S.Nomura, Y.Takada, J.Iwata, K.Shiraishi, M.Muraguchi, T.Endoh, Y.Shigeta, M.Ikeda, K.Makihara, S.Miyazaki
  • Journal Title: ECS transactions 25 Pages: 463-470
• [Journal Article] Time resolved measurements of ultrafast transport pulses using photoconductive switches
  • Author(s): K. Ohtaki, K. Ohmori, and S. Nomura
  • Journal Title: AIP Conf. Proc Volume: (印刷中)
  • Peer Reviewed
• [Journal Article] Imaging of quantum Hall edge states under quasiresonant excitation by a near-field scanning optical microscope
  • Author(s): H. Ito, Y. Shibata, S. Mamyoda, S. Kashiwaya, M. Yamaguchi, T. Akazaki,H. Tamura, Y. Ootuka, and S. Nomura
  • Journal Title: AIP Conf. Proc Volume: (印刷中)
  • Peer Reviewed
• [Presentation] Imaging of spin-resolved quantum Hall edge states by near-field scanning optical microscopy (2013)
  • Author(s): S. Nomura
  • Organizer: The 20th international conference on Electronic Properties of Two-Dimensional Systems
  • Place of Presentation: Wroclow, Poland
• [Presentation] The optical excitation energy dependence of mapping of quantum Hall edge states (2012)
  • Author(s): H. Ito, Y. Shibata, S. Mamyoda, S. Kashiwaya, M. Yamaguchi, T. Akazaki, H. Tamura, Y. Ootuka and S. Nomura
  • Organizer: IUMRS-International Conference on Electronic Materials
  • Place of Presentation: Pacifico Yokohama, Yokohama
  • Year and Date: 2012-09-24
• [Presentation] 二次元電子系端状態中非平衡キャリア (2012)
  • Author(s): 野村晋太郎,伊藤宙陛,間明田周平,柴田祐輔,大塚洋一,柏谷聡,山口真澄,田村浩之,赤崎達志
  • Organizer: 第73回応用物理学会学術講演会
  • Place of Presentation: 愛媛大学
  • Year and Date: 2012-09-11
• [Presentation] Time resolved measurements of ultrafast transport pulses using photoconductive switches (2012)
  • Author(s): K. Ohtaki, K. Ohmori, and S. Nomura
  • Organizer: International Conference on the Physics of Semiconductors
  • Place of Presentation: Zurich, Switzerland
  • Year and Date: 2012-08-02
• [Presentation] Imaging of quantum Hall edge states under quasiresonant excitation by a near-field scanning optical microscope (2012)
  • Author(s): H. Ito, Y. Shibata, S. Mamyoda, S. Kashiwaya, M. Yamaguchi, T. Akazaki, H. Tamura, Y. Ootuka, and S. Nomura
  • Organizer: International Conference on the Physics of Semiconductors
  • Place of Presentation: Zurich, Switzerland
  • Year and Date: 2012-07-31
• [Presentation] 光伝導スイッチを用いた超短パルス時間分解測定 (2012)
  • Author(s): 大滝 健嗣、大毛利 健治、野村 晋太郎
  • Organizer: 第59回応用物理学会関係連合講演会
  • Place of Presentation: 東京
  • Year and Date: 2012-03-17
• [Presentation] 光伝導スイッチを用いた超短パルス時間分解測定 (2012)
  • Author(s): 大滝健嗣、大毛利健治、野村晋太郎
  • Organizer: 第59回応用物理学会関係連合講演会
  • Place of Presentation: 東京都、早稲田大学
  • Year and Date: 2012-03-17
• [Presentation] High resolution spatial mapping of quantum Hall edge states by a near-field scanning optical microscope (2012)
  • Author(s): S. Mamyoda
  • Organizer: The Eighth International Nanotechnology Conference on Communication and Cooperation
  • Place of Presentation: International Congress Center, Tsukuba
• [Presentation] The optical excitation energy dependence of mapping of quantum Hall edge states (2012)
  • Author(s): H. Ito
  • Organizer: IUMRS-International Conference on Electronic Materials
  • Place of Presentation: PACIFICO Yokohama, Yokohama
• [Presentation] 二次元電子系端状態中非平衡キャリア (2012)
  • Author(s): 野村晋太郎
  • Organizer: 第７３回応用物理学会学術講演会
  • Place of Presentation: 愛媛大学、松山市
• [Presentation] 二次元電子系バルク-エッジ間トンネリングの光学検出 (2011)
  • Author(s): 野村晋太郎
  • Organizer: 平成23年度東北大プロジェクト研究会
  • Place of Presentation: 仙台市、ばんじ家
  • Year and Date: 2011-10-21
• [Presentation] Imaging of Quantum Hall Edge States by Near-field Optical Microscopy (2011)
  • Author(s): S. Nomura,H. Ito, K. Furuya, Y. Shibata, Y. Ootuka, S. Kashiwaya, M. Yamaguchi, H. Tamura, and T. Akazaki
  • Organizer: Quantum Nanostructures and Nanoelectronics 2011
  • Place of Presentation: Tokyo
  • Year and Date: 2011-10-03
• [Presentation] Imaging of Quantum Hall Edge States by Near-field Optical Microscopy (2011)
  • Author(s): S.Nomura, H.Ito, K.Furuya, Y.Shibata, Y.Ootuka, S.Kashiwaya, M.Yamaguchi, H.Tamura, T.Akazaki
  • Organizer: Quantum Nanostructures and Nanoelectronics 2011
  • Place of Presentation: 東京、東京大学
  • Year and Date: 2011-10-03
• [Presentation] 光パルス励起によるデバイスの応答特性測定 (2011)
  • Author(s): 野村晋太郎
  • Organizer: CRESTチーム内研究会 『ナノデバイスのヒコ秒物理の解析による揺らぎ最小化設計指針の開発』
  • Place of Presentation: 東京
  • Year and Date: 2011-09-15
• [Presentation] 光パルス励起によるデバイスの応答特性測定 (2011)
  • Author(s): 野村晋太郎
  • Organizer: CRESTチーム内研究会『ナノデバイスのヒコ秒物理の解析による揺らぎ最小化設計指針の開発』
  • Place of Presentation: 東京、早稲田大学
  • Year and Date: 2011-09-15
• [Presentation] Imaging of edge states in a quantum Hall liquid by quasi-resonant near-field optical excitation (2011)
  • Author(s): H. Ito, K. Furuya, Y. Shibata, S. Kashiwaya, M. Yamaguchi, H. Tamura, and T. Akazaki, Y. Ootuka, S. Nomura
  • Organizer: The 19th international conference on Electronic Properties of Two-Dimensional Systems
  • Place of Presentation: Tallahassee, USA
  • Year and Date: 2011-07-25
• [Presentation] 近接場局所光照射による量子ホール端状態の観測 その3 (2011)
  • Author(s): 古谷景佑, 伊藤宙陛, 柴田祐輔, 大塚洋一, 野村晋太郎, 柏谷聡, 山口真澄, 田村浩之, 赤崎達志
  • Organizer: 日本物理学会年次大会
  • Place of Presentation: 新潟大学
  • Year and Date: 2011-03-25
• [Presentation] Leakage current mapping of hafnium silicate gate dielectrics by local optical excitation (2011)
  • Author(s): H.Juda, R.Hasunuma, K.Yamabe, K.Yamada, K.Shiraishi, S.Nomura
  • Organizer: ISIMS-2011
  • Place of Presentation: つくば国際会議場
  • Year and Date: 2011-03-10
• [Presentation] Investigation of the Spatial Profile of the Quantum-Hall Edge State by the Photovoltage Mapping Using Near-field Optical Microscopy (2011)
  • Author(s): H.Ito, K.Furuya, Y.Shibata, Y.Ootuka, S.Kashiwaya, M.Yamaguchi, H.Tamura, T.Akazaki, S.Nomura
  • Organizer: International Symposium on Nanoscale Transport and Technology
  • Place of Presentation: NTT物性科学基礎研究所
  • Year and Date: 2011-01-12
• [Presentation] 近接場局所光照射による量子ホール端状態の観測 その2 (2010)
  • Author(s): 伊藤宙陛, 古谷景佑, 柴田祐輔, 大塚洋一, 野村晋太郎, 柏谷聡, 山口真澄, 田村浩之, 赤崎達志
  • Organizer: 日本物理学会秋季大会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2010-09-24
• [Presentation] Real-space mapping of compressible and incompressible strips by a near-field scanning optical microscope (2010)
  • Author(s): H. Ito, Y. Shibata, K. Furuya, Y. Ootuka, S. Nomura, S. Kashiwaya, M. Yamaguchi, H. Tamura, and T. Akazaki
  • Organizer: 30th International Conference on Physicsof Semiconductors
  • Place of Presentation: Seoul, Korea
  • Year and Date: 2010-07-29
• [Presentation] Real-space mapping of compressible and incompressible strips by a near-field scanning optical microscope (2010)
  • Author(s): H.Ito, Y.Shibata, K.Furuya, Y.Ootuka, S.Nomura, S.Kashiwaya, M.Yamaguchi, H.Tamura, T.Akazaki
  • Organizer: 30th International Conference on Physics of Semiconductors
  • Place of Presentation: Seoul, Korea
  • Year and Date: 2010-07-29
• [Presentation] Real-space mapping of quantum-Hall edge channels by a dilution-refrigerator based near-field scanning optical microscope (2010)
  • Author(s): H.Ito, Y.Shibata, K.Furuya, Y.Ootuka, S.Nomura, S.Kashiwaya, M.Yamaguchi, H.Tamura, T.Akazaki
  • Organizer: 29^<th> Electronic Materials Symposium
  • Place of Presentation: ラフォーレ修善寺
  • Year and Date: 2010-07-15
• [Presentation] 近接場局所光照射による量子ホール端状態の観測 (2010)
  • Author(s): 伊藤宙陛、古谷景佑、柴田祐輔、大塚洋一、野村晋太郎、柏谷聡、山口真澄、田村浩之、赤崎達志
  • Organizer: 日本物理学会年次大会
  • Place of Presentation: 岡山大学(岡山市)
  • Year and Date: 2010-03-20
• [Presentation] Optical mapping of the edge of Hall-bar by a near-field optical microscopy in magnetic field (2009)
  • Author(s): 伊藤宙陛, 柴田祐輔, 古谷景佑, 柏谷聡, 大塚洋一, 野村晋太郎
  • Organizer: 14th International Conference on Narrow Gap Semiconductors and Systems
  • Place of Presentation: 東北大学(仙台市)
  • Year and Date: 2009-07-19
• [Presentation] Position dependent optical effects on the transport properties of S-Sm-S junctions (2009)
  • Author(s): K.Tsumura, S.Nomura, T.Akazaki, H.Takayanagi
  • Organizer: 14th International Conference on Narrow Gap Semiconductors and Systems
  • Place of Presentation: 東北大学(仙台市)
  • Year and Date: 2009-07-14
• [Presentation] 電子励起状態を介した量子ドットへのトンネル現象の変調 (2009)
  • Author(s): 野村晋太郎
  • Organizer: 応用物理学会連合会
  • Place of Presentation: 筑波大学(つくば市)
  • Year and Date: 2009-04-01
• [Remarks]
  • URL: http://www.px.tsukuba.ac.jp/home/ecm/snomura/lab/
• [Remarks] Nomura Lab
  • URL: http://www.px.tsukuba.ac.jp/home/ecm/snomura/lab/index.html
• [Remarks]
  • URL: http://www.px.tsukuba.ac.jp/home/ecm/snomura/lab/index.html
• [Remarks]
  • URL: http://www.px.tsukuba.ac.jp/home/ecm/snomura/lab/index.html
• [Remarks]
  • URL: http://www.px.tsukuba.ac.jp/home/ecm/snomura/lab/index.html
• [Patent(Industrial Property Rights)] ナノ多孔質体を利用した微粒子、ナノ構造体の製造方法 (2010)
  • Inventor(s): 野村晋太郎、伊藤宙陛
  • Industrial Property Rights Holder: 科学技術振興機構
  • Acquisition Date: 2010-10-23