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Crystallographic and Magnetic Properties of CoCrPt Thin Films Investigated Using Single-Crystal Perpendicular Magnetic Thin Film Samples

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Abstract

Conditions to prepare good single-crystal CoCrPt magnetic thin film with the easy magnetization axis perpendicular to the film plane were investigated using oxide single-crystal substrates, Al2O3(0001), LaAlO3(0001), mica(0001), SrTiO3(111), and MgO(111). The best CoCrPt(0001) single-crystal thin film was obtained on an Al2O3(0001) substrate employing a non-magnetic CoCrRu underlayer. The crystallographic quality of single-crystal thin film was investigated using X-ray diffraction and high-resolution transmission electron microscopy. Some intrinsic magnetic properties (Hk, Ku) were determined for the single-crystal CoCrxPty thin films for a compositional range of x=17-20at% and y=0-17at%.

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Authors and Affiliations

  1. Hitachi Ltd. Kokubunji, Central Research Laboratory, Tokyo, 185-8601, Japan

    Masaaki Futamoto & Yoshiyuki Hirayama

  2. Tokyo University of Agriculture and Technology, Koganei, Tokyo, 184-8588, Japan

    Kouta Terayama & Katsuaki Sato

  3. Development and Technology Division, Hitachi Maxell Ltd., Tsukuba, Ibaraki, 300-2496, Japan

    Nobuyuki Inaba

Authors
  1. Masaaki Futamoto
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  2. Kouta Terayama
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  3. Katsuaki Sato
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  4. Nobuyuki Inaba
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  5. Yoshiyuki Hirayama
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Futamoto, M., Terayama, K., Sato, K. et al. Crystallographic and Magnetic Properties of CoCrPt Thin Films Investigated Using Single-Crystal Perpendicular Magnetic Thin Film Samples. MRS Online Proceedings Library 721, 71 (2002). https://doi.org/10.1557/PROC-721-E7.1

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  • DOI: https://doi.org/10.1557/PROC-721-E7.1

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