Thermal conductivity of compressed O to 22 GPa: A test of the Leibfried-Schlömann equation

B Chen, WP Hsieh, DG Cahill, DR Trinkle, J Li - Physical Review B …, 2011 - APS
Physical Review B—Condensed Matter and Materials Physics, 2011APS
The Leibfried-Schlömann (LS) equation, a commonly assumed model for the pressure
dependence of thermal conductivity Λ, is tested by measurements on compressed H 2 O
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 Λ≈ 25 W m-1 K-1. Over a large compression range of≈
4%–33%, the LS equation describes the pressure dependence of Λ of ice VII to better than …
The Leibfried-Schlömann (LS) equation, a commonly assumed model for the pressure dependence of thermal conductivity , is tested by measurements on compressed O 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 W m K. Over a large compression range of 4%–33%, the LS equation describes the pressure dependence of of ice VII to better than 20%.
American Physical Society
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