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J. Korean Ceram. Soc. > Volume 41(1); 2004 > Article
Journal of the Korean Ceramic Society 2004;41(1): 92.
doi: https://doi.org/10.4191/kcers.2004.41.1.092
Mn 첨가량 변화에 따른 Tb/Mn이 첨가된 화학양론조성 LiNbO3 단결정의 광학적 특성
이성문, 신동익, 김근영, 백승욱1, 윤대호
성균관대학교 신소재공학과
1(주) 한본
Optical Properties of Stoichiometric Tb/Mn Co-doped LiNbO3 Single Crystals Dependent on Mn Concentration
Sung-Mun Lee, Tong-Ik Shin, Geun-Young Kim, Seung-Wook Back1, Dae-Ho Yoon
Department of Advanced Materials Engineering, Sungkyunkwan University
1Hanbon Co., Ltd.
ABSTRACT
Using the Micro-Pulling Down (${mu}$-PD), $MnO_2$ and $Tb_4O_7$ co-doped crack-free stoichiometric $LiNbO_3$ single crystals were grown in 1.0 mm diameter and 25-30 mm length for c-axis. The homogeneous distributions of $MnO_2$ and $Tb_4O_7$ concentration were confirmed by the Electron Probe Microanalysis (EPMA). Also, the infrared OH absorption band of the single crystals observed by using a Fourier Transform-Infrared Spectrophotometer (FT-IR) at room temperature and the photoluminescence spectra was measured with respect to the $MnO_2$ and $Tb_4O_7$ doping.
Key words: $MnO_2$ and $Tb_4O_7$ Co-doped Stoichiometric $LiNbO_3$, Micro-pulling down, Absorption band
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