OBSERVATION OF SINGULAR BEHAVIOR IN THE FOCUSING OF BALLISTIC PHONONS IN GE

被引：49

作者：

HENSEL, JC

DYNES, RC

机构：

[1] Bell Laboratories, Murray Hill

来源：

PHYSICAL REVIEW LETTERS | 1979年 / 43卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.43.1033

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

High-resolution heat-pulse experiments reveal that transverse, ballistic phonons in Ge are focused into sharply defined beams along the [001] and [110] axes. Angular distributions within these beams display fine-structure representing focusing singularities. It is shown that these features are dependent in a sensitive way on the topology of the phonon-frequency surface. © 1979 The American Physical Society.

引用

页码：1033 / 1036

页数：4

共 12 条

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