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Elucidation of relationship between valence electron spin and catalytic properties in magnetic metals

Research Project

Project/Area Number 26889010
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Structural/Functional materials
Research InstitutionTohoku University

Principal Investigator

Kojima Takayuki  東北大学, 学際科学フロンティア研究所, 助教 (10732183)

Project Period (FY) 2014-08-29 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords触媒 / 電子スピン / 磁性
Outline of Final Research Achievements

Observation of a change of catalytic properties by magnetic transition was tried in order to reveal a relationship between a valence electron spin and catalytic properties. Mainly, Ni based alloys were employed as catalysts in a ribbon form for oxidation of CO, hydrogenation of hydrocarbons and so on. However, the change of catalytic properties by magnetic transition was not observed. This was attributed to deterioration of catalysts with time. Hence, I built a catalytic measurement system which can analyze with high speed and high accuracy, and employed a noble metal based catalyst which is hard to be deteriorated with time. In CO oxidation with a Pd85Co15 powder catalyst, it showed a catalytic property change considered to be due to magnetic transition. I will reveal a relation to a spin polarized valence electronic structure in future.

Report

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

    (2 results)

All 2016 2015

All Presentation (2 results)

  • [Presentation] 電子状態および磁性に着目した触媒研究2016

    • Author(s)
      小嶋隆幸、亀岡聡、蔡安邦
    • Organizer
      FRIS Annual Meeting 2016 (学際科学フロンティア研究所平成27年度成果報告会)
    • Place of Presentation
      東北大学さくらホール(仙台)
    • Year and Date
      2016-03-09
    • Related Report
      2015 Annual Research Report
  • [Presentation] 磁性材料と触媒材料の融合研究2015

    • Author(s)
      小嶋隆幸、亀岡聡、蔡安邦
    • Organizer
      第8回 新機能無機物質探索研究センターシンポジウム
    • Place of Presentation
      東北大学多元物質科学研究所(仙台)
    • Year and Date
      2015-12-11
    • Related Report
      2015 Annual Research Report

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Published: 2014-09-09   Modified: 2017-05-10  

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