Isotropic Thermal Expansivity and Anisotropic Compressibility of ReB2

We experimentally investigated some of the mechanical properties of ReB{sub 2} under high temperature/pressure (T/P) conditions. High-T experiments (up to 600 C at 1 atm) were carried out in a high-T oven attached to a conventional X-ray diffractometer whereas high-P experiments (up to about 42 GPa...

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Bibliographic Details
Published in:Chinese physics letters 2011-03, Vol.28 (3), p.036401
Main Authors: Liu, Xi (曦刘), Liu, Wei (巍刘), He, Qiang (强何), Deng, Li-Wei (力维 邓), Wang, He-Jin (河锦 王), He, Duan-Wei (端威 贺), Li, Bao-Sheng (宝生 李)
Format: Article
Language:English
Subjects:
ANISOTROPY
COMPRESSIBILITY
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
ISOTROPY
MECHANICAL PROPERTIES
PRESSURE DEPENDENCE
PRESSURE RANGE GIGA PA
RHENIUM BORIDES
TEMPERATURE DEPENDENCE
THERMAL EXPANSION
X-RAY DIFFRACTION
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Summary:We experimentally investigated some of the mechanical properties of ReB{sub 2} under high temperature/pressure (T/P) conditions. High-T experiments (up to 600 C at 1 atm) were carried out in a high-T oven attached to a conventional X-ray diffractometer whereas high-P experiments (up to about 42 GPa at 25 C) were conducted in a diamond-anvil cell using synchrotron X-ray radiation. High-T data suggest a highly isotopic thermal expansivity whereas high-P data suggest a highly anisotropic compressibility for ReB{sub 2}.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/28/3/036401