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New magnetoelectric effect and nuclear spin manupulation in elemental tellurium

Research Project

Project/Area Number 15K13524
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Condensed matter physics II
Research InstitutionTokyo University of Science

Principal Investigator

Itou Tetsuaki  東京理科大学, 理学部第一部応用物理学科, 准教授 (50402748)

Co-Investigator(Kenkyū-buntansha) 小林 夏野  岡山大学, 異分野基礎科学研究所, 准教授 (60424090)
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: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords電気磁気効果 / 電流誘起磁性 / スピン偏極電流 / 磁性 / 非従来型電気磁気効果
Outline of Final Research Achievements

The magnetoelectric effect (electric/magnetic stimulus generates magnetic/electric response) in bulk matter is of growing interest both fundamentally and technologically. This effect has been studied intensively in multiferroic materials. We have discovered a new class of bulk magnetoelectric phenomenon, which is fundamentally distinct from that in multiferroic materials. We have demonstrated experimentally that in elemental tellurium, bulk magnetization is induced parallel to an applied current, which is quite beyond classical electromagnetism and the current framework for magnetoelectricity in multiferroic materials.

Report

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

    (3 results)

All 2017 2016 2015

All Presentation (3 results)

  • [Presentation] 反転対称性の破れた単体Teにおける電流誘起磁性の圧力効果2017

    • Author(s)
      古川哲也, 安井貴敏, 土岐勇人, 渡邉悠太, 大堀健城, 上野哲平, 小林夏野, 伊藤哲明
    • Organizer
      日本物理学会 第72回年次大会
    • Place of Presentation
      大阪大学、大阪府
    • Year and Date
      2017-03-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] 単結晶Teにおけるパルス電流下NMR測定による電流誘起磁性の検出2016

    • Author(s)
      下川裕理, 安井貴敏, 古川哲也, 宮川宣明, 伊藤哲明, 小林夏野, 徳永将史
    • Organizer
      日本物理学会 第71回年次大会
    • Place of Presentation
      東北学院大(宮城県仙台市)
    • Year and Date
      2016-03-19
    • Related Report
      2015 Research-status Report
  • [Presentation] 単体Teのパルス電流下NMR測定2015

    • Author(s)
      下川裕理, 生井沢智之, 山本陸, 古川哲也, 伊藤哲明, 小林夏野, 徳永将史
    • Organizer
      日本物理学会,2015年秋季大会
    • Place of Presentation
      関西大学(大阪府吹田市)
    • Year and Date
      2015-09-16
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2020-05-15  

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