[1]王路平,代丽,韩县博,等. Zn2+浓度对Zn:Ce:Cu:LiNbO3晶体缺陷结构的影响[J].哈尔滨理工大学学报,2019,(01):103-107.[doi:10.15938/j.jhust.2019.01.017]
 WANG Lu ping,DAI Li,HAN Xian bo,et al. Effect of Dopant Concentration on the Defect Structure in Zn2+Doped Ce:Cu:LiNbO3 Crystals[J].哈尔滨理工大学学报,2019,(01):103-107.[doi:10.15938/j.jhust.2019.01.017]
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 Zn2+浓度对Zn:Ce:Cu:LiNbO3晶体缺陷结构的影响
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2019年01期
页码:
103-107
栏目:
材料科学与工程
出版日期:
2019-08-06

文章信息/Info

Title:
 Effect of Dopant Concentration on the Defect Structure in Zn2+Doped Ce:Cu:LiNbO3 Crystals

作者:
 王路平1代丽2韩县博2邵瑀2
(1.哈尔滨理工大学 材料科学与工程学院,黑龙江 哈尔滨 150040;
2.哈尔滨理工大学 理学院,黑龙江 哈尔滨 150080)
Author(s):
 WANG Luping1DAI Li2HAN Xianbo2SHAO Yu2
 (1.School of Material Science and Engineering , Harbin University of Science and Technology, Harbin 150040, China;
2.School of Applied Sciences, Harbin University of Science and Technology, Harbin 150080, China)
关键词:
 关键词:锌铈铜铌酸锂晶体抗光损伤能力有效分凝系数
Keywords:
 Keywords:Zn:Ce:Cu:LiNbO3 crystal optical damage resistance ability effective segregation coefficient
分类号:
TP3334
DOI:
10.15938/j.jhust.2019.01.017
文献标志码:
A
摘要:
 摘要:采用单晶提拉法生长了不同Zn2+(1,3,5,7 mol%)离子浓度的Zn:Ce:Cu:LiNbO3单晶,为了研究Zn2+离子浓度对Zn:Ce:Cu:LiNbO3单晶缺陷结构的影响,采用光致散射光强阈值方法来测定晶体的抗光损伤能力,用电感耦合等离子原子发射光谱(ICPAES)测试Zn:Ce:Cu:LiNbO3晶体中不同掺杂离子的有效分凝系数。试验结果表明:随着晶体中掺杂Zn2+离子浓度的增加,晶体的抗光损伤能力增强,Zn2+离子分凝系数随着晶体中Zn2+浓度增加呈现先升高后降低的趋势,在Zn2+浓度为5mol%时达到最高点;Ce3+和Cu2+离子的分凝系数随着Zn2+离子浓度的增加逐渐降低,结合LiNbO3晶体的占位机制和锂空位缺陷解释了相关实验结果。
Abstract:
 Abstract:A series of Zn:Ce:Cu:LiNbO3 crystals doped with Zn2+(1, 3, 5, 7 mol%) were grown by the Czochralski method from the congruent melt In order to study the influence of Zn2 + ion concentration to the defect structure of Zn: Ce: Cu: LiNbO3 single crystal, we choose lightinduced scattering experiment to measure the optical damage resistance ability of the Zn:Ce:Cu:LiNbO3 crystal The effective segregation coefficient of doped ions of Zn:Ce:Cu:LiNbO3 crystals were measured by inductively coupled plasmaatomic emission spectrum(ICPAES) It was found that the optical damage resistance ability enhanced with increasing of ZnO concentration in the melt and effective segregation coefficient of Zn2+ will increased with increasing of ZnO concentration in the melt at first, which reach to the climax when the doped Zn2+ concentration is 5mol%, then it decreased The effective segregation coefficient of Ce3+ and Cu2+ will decreased with increasing of ZnO concentration in the melt The experimental were analyzed based on the Livacancy defect model

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备注/Memo

备注/Memo:
 基金项目:黑龙江省自然科学基金(QC2015061)
更新日期/Last Update: 2019-03-26