Lattice vibrations of glasses

被引：21

作者：

Pohl, R. O.

机构：

[1] Cornell Univ, Dept Phys, Ithaca, NY 14853 USA

[2] Univ Gottingen, Inst Phys, D-3400 Gottingen, Germany

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2006年 / 352卷 / 32-35期

关键词：

glasses; thermal conductivity;

D O I：

10.1016/j.jnoncrysol.2006.01.102

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Measurements of the thermal conductivity of glasses have led to a model of their lattice vibrations. They are not described as waves, as they are in crystals, but as uncorrelated harmonic motions of individual atoms. The lattice vibrations of fully cerammed, crystalline glass ceramics have been found to be either waves, as in crystals, or vibrations of individual atoms, as in glasses. The understanding of the cause for this different behavior has been aided by studies of systematically doped crystals. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：3363 / 3367

页数：5

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