TITLE

Magnetically induced phase separation and magnetic properties of Co–Mo hexagonal-close-packed structure thin films

AUTHOR(S)
Oikawa, K.; Qin, G. W.; Sato, M.; Kitakami, O.; Shimada, Y.; Sato, J.; Fukamichi, K.; Ishida, K.
PUB. DATE
August 2003
SOURCE
Applied Physics Letters;8/4/2003, Vol. 83 Issue 5, p966
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Magnetically induced phase separation along the Curie temperature in the hexagonal-close-packed phase of a Co-Mo binary system has been predicted by thermodynamic calculations. Furthermore, the phase separation and magnetic properties of Co-Mo sputtered thin films have been investigated. Nanoscale compositional fluctuation caused by the magnetically induced phase separation has been confirmed in the films deposited on a heated substrate in the same manner as Co-Cr-based alloys. The magnetic anisotropy constant of the Co-Mo films is larger than that of Co-Cr films. From these results, it is concluded that the Co-Mo system is promising for use as a base alloy system for high density recording media.
ACCESSION #
10404908

 

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