An optical spectroscopy study of defects in lithium tantalate single crystals
发表时间：2019-03-10
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- 论文类型：
- 期刊论文
- 第一作者：
- He, Xiangke
- 通讯作者：
- Xue, DF (reprint author), Dalian Univ Technol, Sch Chem Engn, Dept Mat Sci & Chem Engn, State Key Lab Fine Chem, 158 Zhongshan Rd, Dalian 116012, Peoples R China.
- 合写作者：
- Li, Keyan,Liu, Meinan,He, Yali,Zhang, Xu,Zhao, Yequan,Xue, Dongfeng
- 发表时间：
- 2008-05-01
- 发表刊物：
- OPTICS COMMUNICATIONS
- 收录刊物：
- SCIE
- 文献类型：
- J
- 卷号：
- 281
- 期号：
- 9
- 页面范围：
- 2531-2534
- ISSN号：
- 0030-4018
- 关键字：
- lithium tantalate; defects; UV-Vis absorption; photoluminescence
- 摘要：
- The congruent, stoichiometric, and Mg doped stoichiometric LiTaO3 single crystals have been successfully grown by the Czochralski technique. The evolution of defect structures caused by varying composition and post-growth processing has been evaluated from the optical absorption and photoluminescence measurements. Optical absorption studies showed that the UV absorption edge is very sensitive to the composition of LiTaO3 crystals. Photoluminescence of various LiTaO3 single crystals at room temperature was observed. The emission bands centered at 360, 430, and 530 nm were assigned to different defects, which can well show the defect information in LiTaO3 crystals. (c) 2008 Elsevier B.V. All rights reserved.
- 是否译文：
- 否
