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QIN Shan, LIU Jing, LI Hai-Jian, ZHU Xiang-Ping, LI Xiao-Dong. In-Situ High-Pressure X-Ray Diffraction of Natural Beryl[J]. Chinese Journal of High Pressure Physics, 2008, 22(1): 1-5 . doi: 10.11858/gywlxb.2008.01.001
Citation: QIN Shan, LIU Jing, LI Hai-Jian, ZHU Xiang-Ping, LI Xiao-Dong. In-Situ High-Pressure X-Ray Diffraction of Natural Beryl[J]. Chinese Journal of High Pressure Physics, 2008, 22(1): 1-5 . doi: 10.11858/gywlxb.2008.01.001

In-Situ High-Pressure X-Ray Diffraction of Natural Beryl

doi: 10.11858/gywlxb.2008.01.001
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  • Corresponding author: QIN Shan
  • Received Date: 20 Feb 2007
  • Rev Recd Date: 26 May 2007
  • Publish Date: 05 Mar 2008
  • At room temperature, in situ high-pressure energy dispersive X-ray diffraction (EDXD) inspections on beryl has been carried out using diamond anvil cell (DAC) device with synchrotron radiation source. The maximal pressure in the experiment is 19.2 GPa. In the range of experimental pressure, no evidence for the phase transition of beryl was observed. However, the axial compressibility along c axis is larger than that along a axis. The volume compressibility could be described with Murnaghan equation of state in the range of room pressure to 9.3 GPa, while in 9.3~19.2 GPa, the volume compressibility shifts and increases with pressure in a nearly linear relationship.

     

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