Measuremen of thermo magnetic property and increase of areal density of L1₀-orderd isolated single crystalline FeCuPt grains

  • Tsukioka J.
    Graduate School of Science and Technology, Nihon University
  • Ubana T.
    Graduate School of Science and Technology, Nihon University
  • Tsukamoto A.
    College of Science and Technology, Nihon University, Funabashi
  • Itoh A.
    College of Science and Technology, Nihon University, Funabashi

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タイトル別名
  • Measurement of thermo magnetic property and increase of areal density of <i>L</i>1<sub>0</sub>-orderd isolated single crystalline FeCuPt grains
  • Measurement of thermo magnetic property and increase of areal density of L10-orderd isolated single crystalline FeCuPt grains

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  We fabricated FeCuPt grains by using a combination of Rapid Thermal Annealing with Rapid Cooling Process. The isolated grains consist of mostly L10-ordered and polycrystalline structure. We carried out additional annealing on these isolated FeCuPt grains to achieve single crystallization of grains. The surface morphology and detailed crystal structure of the grains are observed. After additional annealing, FeCuPt grains retained almost the same grain size. As a result, single crystalline L10-FeCuPt isolated grains were obtained by combining RTA with RCP and by carrying out additional annealing. Furthermore, we characterized the thermo-magnetic properties of single crystalline L10-FeCuPt isolated grains and increased areal grain density by forming additional grains.

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