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http://dx.doi.org/10.4283/JKMS.2006.16.5.249

The Effect of Magnetic Property According to Size and Orientation of Crystal for Electroplated Co-Fe-Ni Alloys  

Jeung, Won-Young (Metal Processing Research Center, Korea Institute of Science and Technology)
Kim, Hyun-Kyung (Metal Processing Research Center, Korea Institute of Science and Technology)
Park, Chang-Bean (Metal Processing Research Center, Korea Institute of Science and Technology)
Publication Information
Journal of the Korean Magnetics Society / v.16, no.5, 2006 , pp. 249-254 More about this Journal
Abstract
CoFeNi alloys are some of the most studied soft magnetic materials because of their superial properties over FeNi alloys as write head core materials in HDD and MEMS. We studied the effect of magnetic property according to size and orientation of crystal for electroplated Co-Fe-Ni alleys. In case of heat treated ternary alloy, it affect the change of crystal size and structure. In this study, it intends to improve the magnetic properties of CoFeNi thin film by heat treatment. Minimized coercivity and increased magnetization are due to heat treatment from $300^{\circ}C\;to\;400^{\circ}C$. As a bcc phase formation, it grow to amount of magnetization.
Keywords
CoFeNi; electro plating; soft magnetic; orientation; coercivity; heat treatment;
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