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Synchrotron X-ray diffraction study of haüyne at high pressure |
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| Authors: | Dawei Fan Shuyi Wei Wenge ZhouJing Liu Yanchun LiHongsen Xie |
| Institution: | a Institute of Geochemistry of Earth''s Deep Interior Materials and Fluid Interaction, Chinese Academy of Science, Guiyang 550002, China b Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China c Graduate University, Chinese Academy of Sciences, Beijing 100049, China |
| Abstract: | The compression behavior of a natural haüyne has been investigated to about 8.1 GPa at 300 K using in situ angle-dispersive X-ray diffraction and a diamond anvil cell at High Pressure Experiment Station, Beijing Synchrotron Radiation Facility (BSRF). Over this pressure range, no phase change or disproportionation has been observed. The isothermal equation of state was determined for the first time. The values of V0, K0, and K′0 refined with a third-order Birch-Murnaghan equation of state are V0=751.6±0.4 Å3, K0=49±1 GPa, and K′0=3.3±0.3, respectively. |
| Keywords: | Haü yne X-ray diffraction Equation of state |
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