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Control of crystallographic orientation in nanoparticle film by utilizing bimodal viscoelastic stress in glass matrix

Research Project

Project/Area Number 20686043
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Physical properties of metals
Research InstitutionKyoto University

Principal Investigator

ICHITSUBO Tetsu  Kyoto University, 工学研究科, 准教授 (40324826)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥26,000,000 (Direct Cost: ¥20,000,000、Indirect Cost: ¥6,000,000)
Fiscal Year 2009: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2008: ¥18,720,000 (Direct Cost: ¥14,400,000、Indirect Cost: ¥4,320,000)
Keywords垂直磁化膜 / ナノ磁性粒子 / 二次元応力 / 結晶配向 / スプリング磁石 / 二相分離 / 規則化 / 静磁気結合 / 垂直磁化 / 垂直分極 / 誘電体・強誘電体 / 構造相転移 / 圧力効果
Research Abstract

It has been demonstrated that the easy axis of magnetization (c-axis) can be controlled to be normal to the thin film for the combination of FePt and B2O3 or CoPt and B2O3, which is due to the effects of the two-dimensional plane stress. For the FePd alloy, we have utilized the phase separation to Fe and FePd in the Fe-rich compositional region, in order to try to prototype a new magnetic film showing exchange and magnetostatic couplings between soft Fe and hard FePd magnets. Similarly to the B2O3 glass, we could fabricate the perpendicular spring magnet of FePd owing to the two-dimensional stress generated in the Fe matrix.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (1 results)

All 2009

All Presentation (1 results)

  • [Presentation] FePd/Fe磁性薄膜におけるL10規則相のc軸配向制御(研究発表優秀賞受賞)2009

    • Organizer
      第三回材料物性工学談話会
    • Place of Presentation
      大阪大学(金属学会か応用物理学会で発表予定)
    • Related Report
      2009 Final Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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