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Development of pure spin injection probe using multiprobe STM

Research Project

Project/Area Number 15K13358
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Thin film/Surface and interfacial physical properties
Research InstitutionThe University of Tokyo

Principal Investigator

Hobara Rei  東京大学, 大学院理学系研究科(理学部), 特任研究員 (30568176)

Co-Investigator(Kenkyū-buntansha) 長谷川 修司  東京大学, 大学院理学系研究科(理学部), 教授 (00228446)
Co-Investigator(Renkei-kenkyūsha) HIRAHARA TORU  東京工業大学, 理工学研究科, 准教授 (30451818)
Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
KeywordsSPM / スピン物性 / スピントロニクス / スピン / プローブ / 純スピン流 / 表面・界面物性 / 磁性 / 走査プローブ顕微鏡
Outline of Final Research Achievements

We developed the pure spin injection probe without charge current injection. By making ferromagnetic / paramagnetic interface within the spin diffusion length from probe tip, and recollect the current flowing that interface, pure spin current can become to be injected to the sample. We also demonstrated the spin injection of this probe by measuring inverse spin hall effect.

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (3 results)

All 2017 2016

All Presentation (2 results) Patent(Industrial Property Rights) (1 results)

  • [Presentation] 純スピン流注入プローブの開発2017

    • Author(s)
      保原 麗, 秋山 了太, 長谷川 修司
    • Organizer
      第64回応用物理学会春季学術講演会
    • Place of Presentation
      パシフィコ横浜(神奈川県横浜市)
    • Year and Date
      2017-03-14
    • Related Report
      2016 Annual Research Report
  • [Presentation] 純スピン流生成プローブの開発2016

    • Author(s)
      保原 麗, 秋山 了太, 長谷川 修司
    • Organizer
      日本物理学会 2016年秋季大会
    • Place of Presentation
      金沢大学(石川県金沢市)
    • Year and Date
      2016-09-13
    • Related Report
      2016 Annual Research Report
  • [Patent(Industrial Property Rights)] プローブおよびその製造方法2016

    • Inventor(s)
      保原麗
    • Industrial Property Rights Holder
      東京大学
    • Industrial Property Rights Type
      特許
    • Filing Date
      2016-08-30
    • Related Report
      2016 Annual Research Report

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Published: 2015-04-16   Modified: 2018-03-22  

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