Effect of Nonmagnetic Underlayer on Structural and Magnetic Properties of CoCr-Alloy Thin Film Media(Special Issue on Selected Papers from the 5th Asian Symposium on Information Storage Technology)

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概要

• 論文の詳細を見る

• Microstructures of CoCr-alloy thin film media were investigated by cross-sectional transmission electron microscopy focussing on the initial growth region of the magnetic layer grown on nonmagnetic underlayers. An introduction of nonmagnetic hcp-CoCrRu layer between an hcp-CoCrPt recording layer and an hcp- or a bcc-underlayer improved the crystallographic quality of the initial growth region. Sharp compositional distributions of alloying elements at the interfaces of a CoCrPt/CoCrRu/CrTi perpendicular medium and a CoCrPt/CoCrRu/CrTi longitudinal medium were respectively confirmed by electron energy loss spectroscopy employing a finely focussed electron beam. Coercivity and squareness of the thin film media increased by realizing good hetero-epitaxy between the nonmagnetic and the magnetic hcp-layers.

• 社団法人電子情報通信学会の論文
• 2001-09-01

著者

• Honda Y

  Department Of Electronics Nagoya University

• Honda Yoshio

  Department Of Electronics School Of Engineering Nagoya University Chikusa-ku Nagoya

• Honda Y

  Tokyo Inst. Technol. Tokyo Jpn

• INABA Nobuyuki

  Development and Technology Division, Hitachi Maxell, Ltd.

• Hirayama Y

  Hitachi Ltd. Kokubunji‐shi Jpn

• Hirayama Yoshiyuki

  Central Research Laboratry Hitachi Ltd.

• Hirayama Yoshiyuki

  Central Research Laboratory Hitachi Ltd.

• KIKUKAWA Atsushi

  Central Research Laboratory, Hitachi Ltd.

• HONDA Yukio

  Central Research Laboratory, Hitachi Ltd.

• FUTAMOTO Masaaki

  Central Research Laboratory, Hitachi Ltd.

• Honda Yoshio

  Department Of Electronics Nagoya University

• Honda Y

  Hitachi Ltd. Kokubunji‐shi Jpn

• Honda Y

  Tsukuba Research Laboratory Sumitomo Chemical Co. Ltd.

• INABA Nobuyuki

  Central Research Laboratory, Hitachi Ltd.

• Kikukawa A

  Hitachi Ltd. Tokyo Jpn

• Kikukawa Atsushi

  Central Research Laboratory Hitachi Ltd.

• Honda Yukio

  Central Research Laboratory Hitachi Ltd.

• Inaba N

  Development And Technology Division Hitachi Maxell Ltd.

• Inaba Nobuyuki

  Central Research Laboratory Hitachi Ltd.(presentaddress)tsukuba Research Laboratory Hitachi Maxell L

• Futamoto M

  Hitachi Ltd. Kokubunji‐shi Jpn

• Futamoto Masaaki

  Central Research Laboratory Hitachi Ltd.

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