| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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In situ High-Pressure Synchrotron X-Ray Diffraction Study of Clinozoisite |
| FAN Da-Wei1**, MA Mai-Ning2, YANG Jun-Jie3, WEI Shu-Yi1,4, CHEN Zhi-Qiang5, XIE Hong-Sen1
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1Institute of Geochemistry of Earth's Deep Interior Materials and Fluid Interaction, Chinese Academy of Sciences, Guiyang 550002
2Key Laboratory of Computational Geodynamics, Chinese Academy of Sciences, Beijing 100049
3Land and Resources Bureau of Changxing County, Zhejiang 313100
4Graduate University, Chinese Academy of Sciences, Beijing 100049
5Department of Geoscience, Stony Brook University, New York 11794, USA
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| Cite this article: |
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FAN Da-Wei, MA Mai-Ning, YANG Jun-Jie et al 2011 Chin. Phys. Lett. 28 126103 |
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Abstract 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 V0 and K0 refined by the Murnaghan equation of state are V0=460.0±0.2 Å3, K0=138±3 GPa. Consequently, it can be concluded that the compressibility of clinozoisite under high pressures is accurately constrained.
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| Keywords:
61.05.Cp
07.35.+k
07.85.Qe
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Received: 27 June 2011
Published: 29 November 2011
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| PACS: |
61.05.cp
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(X-ray diffraction)
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07.35.+k
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(High-pressure apparatus; shock tubes; diamond anvil cells)
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07.85.Qe
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(Synchrotron radiation instrumentation)
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