THE ROLE OF INTERNAL TENSIONS IN PRESSURE-INDUCED 2ND ORDER PHASE-TRANSITION

被引：13

作者：

MIRGORODSKY, AP

SMIRNOV, MB

GRIGOREVA, LZ

机构：

[1] Institute for Silicate Chemistry, 199034 Leningrad

来源：

SOLID STATE COMMUNICATIONS | 1990年 / 73卷 / 02期

关键词：

D O I：

10.1016/0038-1098(90)91037-H

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The presence of pressure-induced microscopic internal tensions in a lattice is considered as the oriigin of its mechanical instability. Born's expressions for atomic force constants and elastic constants are generalized for a compressed lattice with an arbitrary type of potential. The theoretical treatment is exemplified by its application to the mechanism of the pressure-induced ferroelastic transition in paratellurite. © 1990.

引用

页码：153 / 157

页数：5

共 24 条

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