Nuclear spin polarization and detection at nanometer scale by scanning tunneling microscope

• Project/Area Number: 21740219
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Condensed matter physics I
• Research Institution: Tohoku University
• Principal Investigator: HASHIMOTO Katsushi 東北大学, 大学院・理学研究科, 助教 (30451511)
• Project Period (FY): 2009 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000); Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000); Fiscal Year 2009: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
• Keywords: 走査プローブ顕微鏡 / 半導体物性 / 量子閉じ込め / 量子閉じ込

Research Abstract

We developed a methodology to measure a distribution of nuclear spins polarized within the 4μm Hall bar. This may be extended to the nano-scale nuclear spin polarization and detection.

Research Products

• [Journal Article] (2011)
  • Author(s): K Hashimoto, J Wiebe, T Inaoka, Y Hirayama, R Wiesendanger and M Morgenstern
  • Journal Title: Journal of Physics: Conference Series Volume: 334巻
  • Peer Reviewed
• [Journal Article] Real-space mapping of a disordered two-dimensional electron system in the quanturn Hall regime (2011)
  • Author(s): K Hashimoto, J Wiebe, T Inaoka, Y Hirayama, R Wiesendanger, M Morgenstern
  • Journal Title: Journal of Physics : Conference Series Volume: 334
  • Peer Reviewed
• [Presentation] 表面二次元電子系を通して見るナノスケール量子効果とスピン効果 (2011)
  • Author(s): 橋本克之
  • Organizer: 平成22年度日本表面科学会東北・北海道支部講演会
  • Place of Presentation: 仙台・東北大学
  • Year and Date: 2011-03-09
• [Presentation] Real-Space mapping of Landau quantization in a two dimensional disordered system (2010)
  • Author(s): 橋本克之
  • Organizer: 7th International Workshop on Disordered Systems
  • Place of Presentation: メキシコ・プエブラ
  • Year and Date: 2010-09-21
• [Presentation] Real-Space Observation of Quantum Hall Transition (2010)
  • Author(s): 橋本克之
  • Organizer: The Horiba-19th International Conference on "The Application of High Magnetic Fields in Semiconductor Physics and Nanotechnology
  • Place of Presentation: 福岡
  • Year and Date: 2010-09-02
• [Presentation] Imaging of wave functions in high Landau levels (2010)
  • Author(s): 橋本克之
  • Organizer: The 37th International Symposium on Compound Semiconductors International Symposium "Advanced functionality with three-dimensionally controlled quantum structures"
  • Place of Presentation: ドイツ・ポツダム
  • Year and Date: 2010-08-31
• [Presentation] Scanning Tunneling Spectroscopy of a Surface Two-Dimensional Electron System in High Magnetic Field (2010)
  • Author(s): 橋本克之
  • Organizer: The 37th International Symposium on Compound Semiconductors
  • Place of Presentation: 高松
  • Year and Date: 2010-06-01
• [Presentation] Scanning Tunneling Spectroscopy of Wave Functions in the Integer Quantum Hall Regime (2010)
  • Author(s): 橋本克之
  • Organizer: International Symposium on Quantum Nanostructures and Spin-related Phenomena
  • Place of Presentation: 東京大学駒場キャンパス
  • Year and Date: 2010-03-10