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J. Korean Ceram. Soc. > Volume 29(7); 1992 > Article
Journal of the Korean Ceramic Society 1992;29(7): 539.
연속성장법에 의한 Mn-Zn Ferrite 단결정 성장
정재우, 오근호
한양대학교 공과대학 무기재료공학과
Manganese Zinc Ferrite Singel Crystal Growth by Continuous Crystal Growing Method
ABSTRACT
-Zn Ferrite single crystals. It is a new process that the polycrystalline MnχZn1-χFe2O4 raw materials are supplied continuously from the powder feeding system to the crucible heated by R.F. induction and melted in the crucible, and after the single crystals seed is attached to crucible's hole, the crystals are pulled downward with rotation. Growing the crystals by using the growth method different from the conventional Bridgman or Floating Zone method, we defined the factors having effect on the crystal growing through the pre-experiments. They are temperature distribution in the crucible, melt velocity according to its height, wettability between the crucible's bottom and melt. Therefore, Mn-Zn Ferrite single crystals were to be grown by attaining the appropriate melt height in the crucible, powder feeding rate, temperature gradient between the crucible and interface, crystal growing speed, and this method was confirmed to have possibility for single crystal growing.
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