Grain size reduction in CoCrPt:SiO2 perpendicular recording media with oxide-based intermediate layers
Piramanayagam, S.N. Pock, C.K. Lu, L. Ong, C.Y. Shi, J.Z. Mah, C.S.
Piramanayagam, S.N.
Pock, C.K.
Ong, C.Y.
Shi, J.Z.
Mah, C.S.
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Abstract
CoCrPt-Si O2 perpendicular recording media containing an oxide-based intermediate layer have been studied in order to minimize the grain size in the recording layer. A RuCr alloy thin film deposited in an argon and oxygen reactive atmosphere was found to produce finer grains in the intermediate layer. When the recording layer was deposited on such an intermediate layer, the grain size of the recording layer was also observed to be smaller (about 6.4 nm center-to-center distances). The results indicate that the introduction of RuCr-oxide-based intermediate layers is a possible approach to reduce the grain size in perpendicular recording media. © 2006 American Institute of Physics.
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Source Title
Applied Physics Letters
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Date
2006
DOI
10.1063/1.2362643
Type
Article