[1]代丽,何可奇,韩县博,等. 不同[Li]/[Nb] Hf:Mn:Fe:LiNbO3晶体的生长及光学均匀性的研究[J].哈尔滨理工大学学报,2020,25(03):6-10.[doi:10.15938/j.jhust.2020.03.002]
 DAI Li,HE Ke qi,HAN Xian bo,et al. Growth and Optical Homogeneity of Hf:Mn:Fe:LiNbO3 Crystals with Various [Li]/[Nb] Ratios[J].哈尔滨理工大学学报,2020,25(03):6-10.[doi:10.15938/j.jhust.2020.03.002]
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 不同[Li]/[Nb] Hf:Mn:Fe:LiNbO3晶体的生长及光学均匀性的研究()
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
25
期数:
2020年03期
页码:
6-10
栏目:
数理科学
出版日期:
2020-06-25

文章信息/Info

Title:
 Growth and Optical Homogeneity of Hf:Mn:Fe:LiNbO3 
Crystals with Various [Li]/[Nb] Ratios
文章编号:
1007-2683(2020)03-0006-05
作者:
 代丽何可奇韩县博王宇宁
 哈尔滨理工大学 理学院,哈尔滨 150080)
Author(s):
 DAI LiHE KeqiHAN XianboWANG Yuning

(School of Science, Harbin University of Science and Technology, Harbin 150080, China)

关键词:
 Hf:Mn:Fe:LiNbO3单晶分凝系数光学均匀性
Keywords:
 Keywords:Hf:Mn:Fe:LiNbO3 crystals ICPAES optical homogeneity
分类号:
TP3334;O614.111
DOI:
10.15938/j.jhust.2020.03.002
文献标志码:
A
摘要:
 摘要:采用单晶提拉法生长了不同[Li]/[Nb] ([Li]/[Nb]=0946,105,120,138)的Hf:Mn:Fe:LiNbO3单晶。为了解释不同[Li]/[Nb]对于Hf:Mn:Fe:LiNbO3单晶缺陷结构的影响,测试了Hf:Mn:Fe:LiNbO3单晶的分凝系数及不同[Li]/[Nb]的Hf:Mn:Fe:LiNbO3单晶的双折射梯度。实验结果表明,[Li]/[Nb]=138的Hf:Mn:Fe:LiNbO3晶体中Hf4+离子分凝系数增加并趋近于1,随着熔体中的[Li]/[Nb]增加,晶体中的[Li]/[Nb]增加,[Li]/[Nb]=138的Hf:Mn:Fe:LiNbO3晶体具有较好的光学均匀性,结合本文LiNbO3晶体的占位机制和锂空位缺陷解释了这一实验结果。
Abstract:
Abstract:The Hf:Mn:Fe:LiNbO3 crystals were grown with various [Li]/[Nb] ratios (0946, 105, 120 and 138) by the Czochralski method In order to explain the influence of different [Li]/[Nb] ratios for the defect structure of Hf:Mn:Fe:LiNbO3 crystals, the segregation coefficients of the Hf4+, Fe3+ and Mn2+ ions in the crystals were carried out with an inductively coupled plasmaatomic emission spectrometer, and we analyze the optical homogeneity of Hf:Mn:Fe:LiNbO3 crystals by the birefringence gradient method The result show that the segregation coefficients of the Hf4+ ions increase to 10 nearly when [Li]/[Nb] ratios is 138, and the [Li]/[Nb] ratios of increase in the crystal with the [Li]/[Nb] ratios increase in the melt Hf:Mn:Fe:LiNbO3 crystals have better optical homogeneity when [Li]/[Nb] ratios achieve 138 This experimental result is explained by the occupancy mechanism of LiNbO3 crystals and lithium vacancy defect

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备注/Memo

备注/Memo:
 

收稿日期: 2019-12-13
基金项目: 国家自然科学基金面上项目(51301055);黑龙江省普通高校基本科研业务费专项资助(LGYC2018JC003).
作者简介:
何可奇(1996—),女,硕士研究生;
韩县博(1994—),男,硕士研究生
通信作者:
代丽(1981—),女,博士,教授,博士研究生导师,Email: daili298@126com


更新日期/Last Update: 2020-10-13