The thermal diffusivity tensor and lattice dynamics of beta-oxygen at high pressure

被引：5

作者：

Abramson, EH ^{[1
]}

Slutsky, LJ ^{[1
]}

Brown, JM ^{[1
]}

机构：

[1] UNIV WASHINGTON, GEOPHYS PROGRAM, SEATTLE, WA 98195 USA

来源：

JOURNAL OF CHEMICAL PHYSICS | 1996年 / 104卷 / 14期

关键词：

D O I：

10.1063/1.471775

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

An experimental approach to the study of thermal transport in the diamond-anvil high pressure cell is described and the elements of the thermal diffusivity tensor of beta-oxygen are reported to a pressure of 9 GPa. The anisotropy in the thermal conductivity is found to be opposite in sense to that in the velocity of acoustic waves. Results are interpreted in terms of a lattice dynamical model in which the strong interactions between an atom and its first-, second-, and third-nearest neighbors are treated in tensorial form with parameters evaluated directly from experiment. (C) 1996 American Institute of Physics.

引用

页码：5424 / 5428

页数：5

共 21 条

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