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J. Korean Ceram. Soc. > Volume 29(11); 1992 > Article
Journal of the Korean Ceramic Society 1992;29(11): 851.
Yttria Stabilized Cubic Zirconia(YSCZ) 단결정의 결정성장과 Color Centers
정대식, 오근호
한양대학교 무기재료공학과
Crystal Growth and Color Centers of Yttria Stabilized Cubic Zirconia(YSCZ) Single Crystals
ABSTRACT
It was grown ZrO2:10 mol% Y2O3 single crystals doped with 1 wt% of rare earth metal ion (Ce, Pr, Nd, Er, Eu) by Skull Method. Grown crystals showed Ce:orange-red, Pr:golden-yellow, Nd:lilac, Er:pink, Eu:light pink due to dopant effect. It was examined color centers in light absorption pattern of visible region (λ= 300~700 nm); in as grown samples, absorption by Ce4+, (Pr4+, Pr3+), Nd3+, Er3+, Eu3+ ions were important, and in samples after vacuum annealing, decrease of absorption by Pr4+ ion and increase of absorption by Pr3+ ion was important, and absorption by Ce3+, Eu2+ was important due to reduction of activator.
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