Piezo-optical properties of incommensurately modulated Rb2ZnCl4 crystals

被引：0
|
作者：
V. Yu. Kurlyak
V. Y. Stadnyk
O. V. Bovgira
V. B. Stakhura
机构：
[1] Franko Lviv National University,
来源：
Optics and Spectroscopy | 2015年 / 118卷
关键词：
Soliton; Spontaneous Polarization; Uniaxial Stress; Uniaxial Pressure; Spontaneous Change;
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学科分类号：
摘要：
The effect of uniaxial pressure along the principal crystallophysical directions on dispersion and temperature dependences of birefringence Δni of Rb2ZnCl4 crystals is studied. Quantity Δni is found to be fairly sensitive to the uniaxial pressure. Spectral and temperature dependences of the combined piezo-optical coefficients πim0 are studied. Insignificant anomalies of πim0 are found around the transition between the incommensurate and commensurate phases. Contributions of electro-optical and elasto-optical effects and the order parameter into spontaneous changes of the piezo-constants are separated.
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页码：547 / 551
页数：4
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