Lattice-dynamical calculation of phonon scattering at a disordered interface

被引：8

作者：

Fagas, G ^{[1
]}

Kozorezov, AG ^{[1
]}

Lambert, CJ ^{[1
]}

Wigmore, JK ^{[1
]}

机构：

[1] Univ Lancaster, Sch Phys & Mat, Lancaster LA1 4YB, England

来源：

PHYSICA B | 1999年 / 263卷

关键词：

lattice dynamics; disordered interface; phonon transmission;

D O I：

10.1016/S0921-4526(98)01454-9

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

For an FCC crystal with central force interactions and separately for a scalar model on a square lattice, we compute exactly the phonon transmission coefficient T(omega) through a disordered planar interface between two identical semiinfinite leads. At high frequencies T(omega) exhibits a strong frequency dependence which is determined by the correlation length of the disorder. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：739 / 741

页数：3

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