Study of linear and nonlinear optical properties of distorted Ti-O6 perovskite structure in BaxSr1-xTiO3

被引：21

作者：

Chen, WK

Cheng, CM

Huang, JY

Hsieh, WF

Tseng, TY

机构：

[1] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu, Taiwan

[2] Natl Chiao Tung Univ, Inst Elect, Hsinchu 30039, Taiwan

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2000年 / 61卷 / 06期

关键词：

optical materials; sol-gel growth; ferroelectricity; optical properties; phase transitions;

D O I：

10.1016/S0022-3697(99)00347-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the linear and nonlinear optical properties of sol-gel prepared BaxSr1-xTiO3 (BST) crystalline powders. The results from powder X-ray diffraction, birefringence, and second-order optical nonlinearity measurements indicate that the paraelectric-ferroelectric phase transition of Ba0.75Sr0.25TiO3 occurs near room temperature. The second-order optical nonlinearity of the ferroelectric BST is about 7.9 pm/V. The index of refraction, n = 2.2, and birefringence, Delta n(B) similar to 0.05, are also appropriate for practical nonlinear optical applications. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：969 / 977

页数：9

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