ULTRASONIC-ATTENUATION IN DIELECTRIC CRYSTALS

被引：3
|
作者：
KOR, SK
SINGH, RK
机构：
来源：
ACTA PHYSICA POLONICA A | 1991年 / 80卷 / 06期
关键词：
D O I：
10.12693/APhysPolA.80.805
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Ultrasonic attenuation and non-linearity parameters have been evaluated for dielectric crystals RbCl, RbBr and RbI in a wide temperature range. Basic physical parameters, nearest neighbour distance and hardness parameters of the substance and Coulomb and Born-Mayer potentials have been used to obtain ultrasonic attenuation due to phonon-viscosity mechanism along <100> direction of propagation for longitudinal and shear waves. Results are as expected and it has been concluded that ultrasonic attenuation is a fundamental property of the substance.
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页码：805 / 810
页数：6
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