CoCrPt-X(X=C, SiO2) granular thin film media for high areal density recording (マルチメディアストレージ--第5回アジア情報記録技術シンポジウム〔英文〕)

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概要

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• Granular hcp-(CoCrPt)_<100-X>C_X and (CoCrPt)_<100-X>(SiO_2)_X thin films have been fabricated by sputtering multilayers followed by post-deposition annealing. Magnetic and structural properties of the films have been investigated in detail. The CoCrPt-C granular film with the high coercivity of 4.4 kOe and film anisotropy of 3.6x10^6 erg/cm^3 and CoCrPt-SiO_2 granular film with high coercivity of 5.6 kOe and film anisotropy of 4.3x10^6 erg/cm^3 have been achieved. Grain isolation in magnetic layer was improved by the segregated SiO_2 or C in grain boundaries and further enhanced by post-deposition annealing. These granular films possess well in-plane preferred orientation of magnetic moment, which is desirable for longitudinal recording.

• 社団法人映像情報メディア学会の論文
• 2000-11-14

著者

• Wang Jian

  Data Storage Institute

• Chong T

  National Univ. Singapore Singapore

• Chong Tow

  Data Storage Institute

• Chong Tow

  Centre For Optoelectronics Department Of Electrical Engineering National University Of Singapore

• Wang J.P.

  Data Storage Institute, 5, Engineering Drive 1(Off Kent Ridge Crescent, NUS).

• Xu Yingfan

  Data Storage Institute

• Shan Zhengsheng

  Data Storage Institute, 5 Engineering Drive 1

• Wang J.p.

  Data Storage Institute 5 Engineering Drive 1(off Kent Ridge Crescent Nus)

• Shan Zhengsheng

  Data Storage Institute

• Chong Tow

  Data Storage Institute, DSI Building

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