Effects of Ru under layer for CoPtCr-SiO_2 magnetic recording tape media(Head materials & recording media,The 8th Asian Symposium on Information Storage Technology (ASIST-8))
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概要
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CoPtCr-SiO_2/Ru films were fabricated using FTS system aiming for the film for magnetic recording tape media. The Ar gas pressure in fabrication of magnetic layer and Ru underlayer had an influence on magnetic properties. Ru (001) texture was degraded at high Ar gas pressure in fabrication of underlayer. Coercivity and squareness ratio of the film were 4.3 kOe and 0.78, respectively. TEM observation implies that some CoPtCr columns with their diameter of 10nm, were grown on a Ru column with relatively large diameter of 20-50nm. Segregated structure was observed in the large agglomerated grains by SiO_2 grain boundary.
- 社団法人電子情報通信学会の論文
- 2006-11-02
著者
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Matsunuma Satoshi
Hitach Maxell, Ltd., Development and Technology Division, 6-20-1 Kinunodai, Yawara-mura, Ibaraki 300
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Nakagawa Shigeki
Dept. Of Physical Electronics Tokyo Institute Of Technology
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Mohd Anuar
Dept. Of Physical Electronics Tokyo Institute Of Technology
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FUJIURA Hiroki
Dept. of Physical Electronics, Tokyo Institute of Technology
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Fujiura Hiroki
Dept. Of Physical Electronics Tokyo Institute Of Technology
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Matsunuma Satoshi
Hitachi Maxell, Ltd.
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Matsunuma Satoshi
Hitach Maxell, Ltd. Development and Technology Division, 6-20-1 Kinunodai, Yawara-mura, Ibaraki 300-2496, Japan
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Nakagawa Shigeki
Dept. of Biochemistry, Nihon Univ. School of Medicine
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- Effects of Ru under layer for CoPtCr-SiO_2 magnetic recording tape media(Head materials & recording media,The 8th Asian Symposium on Information Storage Technology (ASIST-8))
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