SATURATION OF THE 9.4-GHZ HYPERSONIC ATTENUATION IN FAST-NEUTRON-IRRADIATED CRYSTALLINE QUARTZ

被引：55

作者：

LAERMANS, C

机构：

[1] Laboratorium voor Vaste Stof- en Hoge Drukfysika, Katholieke Universiteit Leuven

来源：

PHYSICAL REVIEW LETTERS | 1979年 / 42卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.42.250

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Saturation of the 9.4-GHz hypersonic attenuation was observed in crystalline quartz after fast-neutron irradiation. The sample, which exhibits long-range order, shows a low-temperature acoustic behavior similar to that observed in amorphous materials. As in glasses, the results can be explained by the existence of configurational low-energy excitations, with a two-state nature, which were put forward as intrinsic to the amorphous state. © 1979 The American Physical Society.

引用

页码：250 / 254

页数：5

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