Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Growth of Bi:YIG Thick Films by Change of PO/Bi2O3 Molar Ratio

PO/Bi2O3 변화에 따른 Bi:YIC 단결정 후박의 성장

  • 윤석규 (성균관대학교 신소재공학과) ;
  • 김근영 (성균관대학교 신소재공학과) ;
  • 김용탁 (성균관대학교 신소재공학과) ;
  • 정현민 (삼성코닝(주) 연구소 광소자 연구실) ;
  • 임영민 (전자부품연구원 광부품연구센터) ;
  • 윤대호 (성균관대학교 신소재공학과)
  • Published : 2002.06.01
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Abstract

The single crystalline thick fi1ms of Bi:Y$_3$Fe$_{5}$ $O_{12}$(Bi:YIG) were grown on (GdCa)$_3$(GaMgZr)$_{5}$ $O_{12}$(SGGG) by Liquid Phase Epitaxy (LPE). The changes of lattice mismatch and Bi concentration were investigated in the thick film growth as a function of PO/Bi$_2$ $O_3$ molar ratio, with keeping constant of substrate rotation speed, supercooling and growth time. It was grown that the lattice constant of the garnet single crystalline thick films and Bi content increased with decreasing of PO/Bi$_2$ $O_3$ molar ratio. Bi concentration decreased with increasing of the film thickness.

Bi:Y$_3$Fe$_{5}$ $O_{12}$(Bi:YIG)를 (GdCa)$_3$(GaMgZr)$_{5}$ $O_{12}$(SGGG)기판 위에 Liquid Phase Epitaxy(LPE)법으로 단결정 후막을 성장시켰다 기판회전속도, 과냉도, 성장시간을 고정하여 PO/Bi$_2$ $O_3$ 몰 비 변화에 따른 성장된 가네트 결정의 격자상수 변화와 Bi 농도 분포를 조사하였다. PO/Bi$_2$ $O_3$ 몰 비가 감소함에 따라 성장된 가네트 결정의 격자상수하 Bi 농도는 증가하는 경향이 나타났으나, 가네트 결정의 두께가 증가됨에 따라 Bi 농도는 감소하는 경향이 나타났다.

Keywords

References

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  1. Liquid-Phase Epitaxial Growth of 3 in Diameter Bismuth-Doped Thulium Iron Garnet Films for Magneto-Optical Applications vol.51, pp.11, 2015, https://doi.org/10.1109/TMAG.2015.2439714