Electrical detection and control of spin current by using spin orbit interaction

2009 Fiscal Year Self-evaluation Report

• Project Area: Creation and control of spin current
• Project/Area Number: 19048005
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Tohoku University
• Principal Investigator: NITTA Junsaku Tohoku University, 大学院・工学研究科, 教授 (00393778)
• Project Period (FY): 2007 – 2010
• Keywords: スピン流 / スピン軌道相互作用

Research Abstract

半導体中のゲート電場により制御可能なRashbaスピン軌道相互作用に着目し、磁場を印加することなく電場により電荷流一スピン流の相互変換手法を確立し、スピン機能デバイス構築に向けての設計指針を構築することを目的として研究を行う。

Research Products

• [Journal Article] Enhancement of spin orbit interaction and the effect of interface diffusion in InGaAsP/InGaAs heterostructures (2010)
  • Author(s): M. Kohda, J. Nitta
  • Journal Title: Phys. Rev. B 81 Pages: 115118-1,115118-4
• [Journal Article] Electrical generation, manipulation and detection of spin wave in permalloy stripe (2010)
  • Author(s): L.H. Bai, M. Kohda, J. Nitta
  • Journal Title: J. Appl. Phys. (to be published)
• [Journal Article] Proposal for electrical detection of spin separation with in-plane magnetic field in mesoscopic Stern-Gerlach spin filter (2010)
  • Author(s): M. Kohda, J. Ohe, H. Sanada, M. Yamamoto, T. Ohtsuki, J. Nitta
  • Journal Title: Proc. SPIE 7600 Pages: 76001-76004
• [Journal Article] Experimental demonstration of resonant spin-orbit interaction effect (2010)
  • Author(s): Y. Kunihashi, M. Kohda, J. Nitta
  • Journal Title: Phys. Proc. 3 Pages: 1261-1263
• [Journal Article] Enhancement of Rashba Spin-Orbit Interaction Due to Wave Function Engineering (2010)
  • Author(s): Y. Kunihashi, M. Kohda, J. Nitta
  • Journal Title: J. Sup. Nov. Mag. 23 Pages: 49-52
• [Presentation] Competition between Rashba and Dresselhaus spin-orbit interactions in InGaAs wires (2010)
  • Author(s): J. Nitta
  • Organizer: 6th RIEC International Workshop on Spintronics
  • Place of Presentation: Sendai
  • Year and Date: 20100205-20100206
• [Presentation] Spin manipulation and generation with spin orbit interaction in semiconductor heterostructures (2010)
  • Author(s): M. Kohda, J. Nitta
  • Organizer: SPIE Photonics West 2010
  • Place of Presentation: San Francisco
  • Year and Date: 20100123-20100128
• [Presentation] Spin Coherent Transport in InGaAs Wires and Rings (2009)
  • Author(s): J. Nitta
  • Organizer: The 6th International Conference on Advanced Materials and Devices
  • Place of Presentation: Jeju
  • Year and Date: 20091209-20091211
• [Presentation] 電界効果スピントランジスタに向けたスピン電界制御 (2009)
  • Author(s): 新田淳作
  • Organizer: 日本磁気学会第26回スピンエレクトロニクス専門研究会
  • Place of Presentation: 仙台
  • Year and Date: 2009-11-02
• [Presentation] スピントランジスタの展望 (2009)
  • Author(s): 新田淳作
  • Organizer: 第3回スピントロニクス技術分科会
  • Place of Presentation: 東京
  • Year and Date: 2009-10-14
• [Book] 電界スピン回転制御とスピンFET(高梨弘毅監修) (2009)
  • Author(s): 新田淳作
  • Total Pages: 331-340
  • Publisher: シーエムシー出版
• [Remarks] 「電子の自転向き制御東北大学新型メモリー実現に道」日経産業新聞2009年6月5日
  • URL: http://db.tohoku.ac.jp/whois/detail/8581980d5b925fab833231ce5754cba1.html
• [Patent(Industrial Property Rights)] トランジスタ及び電子回路 (2009)
  • Inventor(s): 好田誠、新田淳作
  • Industrial Property Rights Holder: 東北大学
  • Industrial Property Number: 特願・2009-247794
  • Filing Date: 2009-10-28
• [Patent(Industrial Property Rights)] スピン軌道相互作用を用いたゼロ磁場における電子スピン共鳴 (2009)
  • Inventor(s): 好田誠、新田淳作
  • Industrial Property Rights Holder: 科学技術振興機構
  • Industrial Property Number: 特願・2009-220161
  • Filing Date: 2009-08-14
• [Patent(Industrial Property Rights)] スピン相補性インバータ (2009)
  • Inventor(s): 好田誠、新田淳作
  • Industrial Property Rights Holder: 科学技術振興機構
  • Industrial Property Number: 特願・2009-189207
  • Filing Date: 2009-08-13