Magnetic property of aluminum nitride with various Co contents

저자

오*섭

게재저널

한국재료학회 2015년도 추계학술대회 및 제29회 신소재 심포지엄

키워드

magnetic property, aluminum nitride, Co contents

개요

In the field of magnetic recording, ferrite heads connected with oxide media have been in great use for a long reriod of time. Metal heads, for use with high Hc metal media utilizing metallic materials such as metal sendust and single-phase amorphous films have also been introduced in order to achieve high density recording. There exists a great deal of core loss in high frequency range. Ferrite heads have a related problem when applied to high density technology, that is, the low Bs of soft magnetic ferrite makes them incornpatible with metal media. In order to solve those two problems, high resistive metal films possessing a very fine two phase hetero amorphous structure have been studeds, magnetic granular system, where the magnetic particles are embedded in an insulator matrix has also been studied. It is necessary to improve the overall performance of the high density recording materials.

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