Thermal conductivity of compressed H2O to 22 GPa: A test of the Leibfried-Schlomann equation

被引：71

作者：

Chen, Bin ^{[1
]}

Hsieh, Wen-Pin ^{[2
,3
,4
]}

Cahill, David G. ^{[3
,4
]}

Trinkle, Dallas R. ^{[3
,4
]}

Li, Jie ^{[5
]}

机构：

[1] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA

[2] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[3] Univ Illinois, Mat Res Lab, Urbana, IL 61801 USA

[4] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA

[5] Univ Michigan, Dept Geol Sci, Ann Arbor, MI 48109 USA

来源：

PHYSICAL REVIEW B | 2011年 / 83卷 / 13期

基金：

美国国家航空航天局; 美国国家科学基金会;

关键词：

MELTING CURVE; BULK MODULUS; DENSE H2O; FLUID H2O; ICE-VII; PRESSURE; SCATTERING; EXPANSIVITY; DEPENDENCE; ENERGY;

D O I：

10.1103/PhysRevB.83.132301

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Leibfried-Schlomann (LS) equation, a commonly assumed model for the pressure dependence of thermal conductivity Lambda, is tested by measurements on compressed H2O using a combination of the time-domain thermoreflectance method with the diamond anvil cell technique. The thermal conductivity of ice VII increases by an order of magnitude between 2 and 22 GPa, reaching Lambda approximate to 25 W m(-1) K-1. Over a large compression range of approximate to 4%-33%, the LS equation describes the pressure dependence of Lambda of ice VII to better than 20%.

引用

页数：4

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