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J. Korean Ceram. Soc. > Volume 34(1); 1997 > Article
Journal of the Korean Ceramic Society 1997;34(1): 37.
졸겔법을 이용한 바륨페라이트 박막 제조
변태봉, 조원덕1, 김태옥1
1부산대학교 무기재료공학과
Preparation of Barium Ferrite Thin Film by Sol-Gel Method
Barium ferrite thin films on the thermal oxidized Si substrate were prepared by using sol-gel method (dip coating) from the sol of composition ratio of 5.25, designated by mole ratio 2Fe/Ba. The gelation process was largely divided into 4 step, and the sol prepared by reaction for 90 minutes at 8$0^{circ}C$ was the suit-able for coating. Needle shaped particles formed on the coating layer were placed parallel to substrate and the inclination was increased with film thickness. The easy-direction of magnetization of needle shaped par-ticles was long-axis direction.
Key words: Sol-gel dip coating, Barium ferrite
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