Gulyaev-Bleustein waves in a layered structure of piezoelectric - periodic granular high-temperature superconductor structure

被引：0

作者：

Krakovskii V.A. ^{[1
]}

机构：

[1] Tomsk State University of Control Systems and Radioelectronics,

来源：

Russian Physics Journal | 2001年 / 44卷 / 6期

关键词：

Reflection; Lithium; Critical Temperature; Surface Wave; Layered Structure;

D O I：

10.1023/A:1012556114791

中图分类号：

学科分类号：

摘要：

Bragg's interactions of Gulyaev-Bleustein surface waves with a periodic granular high-temperature superconducting medium are studied. Dispersion equations describing the characteristics of surface acoustoelectric waves are derived for piezoelectrics of 4 and 6mm symmetry. Resonance absorption of surface acoustoelectric waves is revealed near the critical temperature. The reflection coefficients for surface acoustoelectric waves in Ba 2Si2TiO3 from semi-finite and finite periodic high-temperature superconducting structures are calculated. The results obtained for this model problem can be used for solving similar problems for strong piezoelectrics (e.g., lithium niobate) and for designing tunable frequency selectors and transient bolometric photodetectors. ©2001 Plenum Publishing Corporation.

引用

页码：639 / 645

页数：6

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