Effect of Pt on the Intergranular Exchange Coupling in CoCrTaPt Thin Film Media Prepared under Ultra Clean Sputtering Process
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概要
- 論文の詳細を見る
The effect of Pt addition on magnetic properties for CoCrTaPt media with extremely thin Cr underlayer of 2.5nm fabricated under ultra clean sputtering process are connected with the magnetic anisotropy field of grains, the microsturucture, and intergranular magnetic coupling. As a results, (1) Pt addition more than 8 at% decreases the magnetrocrystalline anisotropy field of the grains. (2) Pt addition more than 8 at% disturbs a formation of Cr segregated grain boundary structure, inducing intergranular exchange coupling. (3) The upper limit of Pt addition is proposed to be 5-6at%.
- 社団法人日本磁気学会の論文
- 1999-01-20
著者
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Takahashi Masatoshi
Division Of Dental Biomaterials Tohoku University Graduate School Of Dentistry
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Takahashi M.
Dept. Obst. and Gynec., Niigata. Univ. Dept. Bipphy. Faculty of science., Kyoto univ. Niigata Cancer
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Takahashi M
Division Of Dental Biomaterials Graduate School Of Dentistry Tohoku University
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Kikuchi A.
Fujitsu Limited
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Yoshimura S.
Dept. of Electronics Engng, Tohoku University
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Shoji H.
Dept. of Electronics Engng, Tohoku University
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Hara H.
TEIJIN LIMITED
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