ULTRASONIC INVESTIGATION OF THE PIEZOELECTRIC IONIC-CRYSTAL BETA-AGI

被引：22

作者：

PAGE, JH ^{[1
]}

PRIEUR, JY ^{[1
]}

机构：

[1] UNIV PARIS 06, ULTRASONS LAB, F-75230 PARIS 05, FRANCE

来源：

PHYSICAL REVIEW LETTERS | 1979年 / 42卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.42.1684

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Ultrasonic attenuation and phase velocity measurements as a function of temperature and frequency are reported in the phase of AgI. Below about 50 MHz the dominant effect is the piezoelectric coupling between the mobile ions and the ultrasonic waves; an analysis similar to that of Hutson and White for piezoelectric semiconductors gives good agreement. Above 50 MHz this interaction becomes screened. An additional attenuation mechanism is observed at 540 MHz. © 1979 The American Physical Society.

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页码：1684 / 1688

页数：5

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