高配向MgO(001)下地層を用いた極薄FePt結晶成長 Crystalline Growth in Very Thin FePt Films on MgO (001) Oriented Underlayer

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MgO underlayer with (001) preferential orientation formed on a thin Fe seed layer is used to attain <I>L</I>1<SUB>0</SUB> ordered phase 2 nm-thick FePt films with (001) orientation. The Fe [1 nm]/Pt [1 nm] bilayer can be grown epitaxially on the MgO underlayer with (001) aligned texture and the bilayer transformed into (001)-textured <I>L</I>1<SUB>0</SUB>-FePt films after annealing at 600°C. 2 nm-thick FePt films with (001) preferential orientations can be prepared on a thick MgO underlayer with (001) orientation. Since such a thin thickness of Fe and Pt layers enhances an inter-diffusion process between the layers, the crystallization and ordering temperature of FePt decreases from 550°C to 500°C. Furthermore, FePt was successfully attained at lower annealing temperature (450°C) by adding Au into FePt.

MgO underlayer with (001) preferential orientation formed on a thin Fe seed layer is used to attain <I>L</I>1<SUB>0</SUB> ordered phase 2 nm-thick FePt films with (001) orientation. The Fe [1 nm]/Pt [1 nm] bilayer can be grown epitaxially on the MgO underlayer with (001) aligned texture and the bilayer transformed into (001)-textured <I>L</I>1<SUB>0</SUB>-FePt films after annealing at 600°C. 2 nm-thick FePt films with (001) preferential orientations can be prepared on a thick MgO underlayer with (001) orientation. Since such a thin thickness of Fe and Pt layers enhances an inter-diffusion process between the layers, the crystallization and ordering temperature of FePt decreases from 550°C to 500°C. Furthermore, FePt was successfully attained at lower annealing temperature (450°C) by adding Au into FePt.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 59(3), 139-144, 2012-03-15

    一般社団法人 粉体粉末冶金協会

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各種コード

  • NII論文ID(NAID)
    10030479966
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    023618007
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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