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Investigation of anomalous Nernst effect for innovativce thermoelectric technology

Research Project

Project/Area Number 26709045
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypePartial Multi-year Fund
Research Field Physical properties of metals/Metal-base materials
Research InstitutionNational Institute for Materials Science

Principal Investigator

Sakuraba Yuya  国立研究開発法人物質・材料研究機構, 磁性・スピントロニクス材料研究拠点, 主任研究員 (10451618)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥23,660,000 (Direct Cost: ¥18,200,000、Indirect Cost: ¥5,460,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2014: ¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Keywords熱電発電 / 異常ネルンスト効果 / スピントロニクス / ホイスラー合金 / 環境発電 / スピントロンクス / 磁性材料 / ネルンスト効果 / 磁性体
Outline of Final Research Achievements

Anomalous Nernst effect is the thermoelectric phenomena in which an electric field appears to outer product direction between temperature gradient and magnetization. Anomalous Nernst electric field always appear to parallel direction to the surface of heat source, therefore, it is easy to increase serious voltage by making a laterally connected thermopile structure. This simple structure enable us to increase effective heat source area with low cost, which is essential advantage for thermoelectric applications especially for energy harvesting. In this project, we focused on Heusler compounds to observe higher signal of anomalous Nernst effect. As a result of systematic analysis of crystal structure, Seebeck effect, anomalous Hall and Nernst effects in Heusler, finally we have successfully obtained tentative strategy to explore new materials showing high anomalous Nernst effect, which will be beneficial for further development of anomalous Nernst based novel thermoelectric technology.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Annual Research Report
  • 2014 Annual Research Report
  • Research Products

    (5 results)

All 2017 2016 2014

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results) Book (1 results)

  • [Journal Article] Potential of thermoelectric power generation using anomalous Nernst effect in magnetic materials2016

    • Author(s)
      Yuya Sakuraba
    • Journal Title

      Scripta Materialia

      Volume: 111 Pages: 29-32

    • DOI

      10.1016/j.scriptamat.2015.04.034

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Exploration of ferromagnets with large anomalous Nernst effect for novel thermoelectric applications2017

    • Author(s)
      Y. Sakuraba, S. Mitani, K. Hyodo, A. Sakuma, K Hono
    • Organizer
      International Workshop on Computational Science 2017
    • Place of Presentation
      石川県金沢市
    • Year and Date
      2017-02-17
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Anomalous Nernst effect in heavy elements-doped Fe films2017

    • Author(s)
      Y. Sakuraba, T. T. Sasaki, S. Mitani, K. Hono
    • Organizer
      REIMEI workshop on correlated quantum matters and spintronics
    • Place of Presentation
      茨城県東海村
    • Year and Date
      2017-01-16
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 異常ネルンスト効果を利用した環境発電素子のための磁性材料開発とその展望2016

    • Author(s)
      桜庭裕弥, 三谷誠司、佐々木泰祐、宝野和博
    • Organizer
      日本磁気学会 第206回研究会
    • Place of Presentation
      東京
    • Year and Date
      2016-01-29
    • Related Report
      2015 Annual Research Report
    • Invited
  • [Book] 異常ネルンスト効果を利用した熱電発電2014

    • Author(s)
      桜庭裕弥、高梨弘毅
    • Total Pages
      4
    • Publisher
      丸善出版株式会社
    • Related Report
      2014 Annual Research Report

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Published: 2014-04-04   Modified: 2018-03-22  

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