In Situ High-Pressure Synchrotron X-Ray Diffraction Study of Clinozoisite

We investigate the elastic behavior of a natural clinozoisite under about 20.4 GPa at 300 K using in situ angle-dispersive x-ray diffraction and a diamond anvil cell at the National Synchrotron Light Source, Brookhaven National Laboratory. Over this pressure range, no phase change or disproportionat...

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Bibliographic Details
Published inChinese physics letters Vol. 28; no. 12; pp. 126103 - 1-126103-4
Main Authors Fan, Da-Wei (大伟范), Ma, Mai-Ning (麦宁马), Yang, Jun-Jie (俊杰杨), Wei, Shu-Yi (舒怡魏), Chen, Zhi-Qiang (志强陈), Xie, Hong-Sen (鸿森谢)
Format Journal Article
LanguageEnglish
Published United States IOP Publishing 01.12.2011
Subjects
Compressibility
Diamond anvil cells
Diffraction
Equations of state
Light sources
Phase change
Synchrotrons
X-rays
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Summary:We investigate the elastic behavior of a natural clinozoisite under about 20.4 GPa at 300 K using in situ angle-dispersive x-ray diffraction and a diamond anvil cell at the National Synchrotron Light Source, Brookhaven National Laboratory. Over this pressure range, no phase change or disproportionation has been observed. The isothermal equation of state is determined. The values of V sub(0) and K sub(0) refined by the Murnaghan equation of state are V sub(0) = 460.0 + or - 0.2 A super(3), K sub(0) = 138 + or - 3 GPa. Consequently it can be concluded that the compressibility of clinozoisite under high pressures is accurately constrained.
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BNL-100531-2013-JA
DE-AC02-98CH10886
USDOE SC OFFICE OF SCIENCE (SC)
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/28/12/126103