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Energy Dispersive X-Ray Powder Diffraction of Natural Enstatite under High Pressure Conditions
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Mai-Ning MA1, Wen-Ge ZHOU2, Jing LIU3, Yan-Chun LI3, Xiao-Dong LI3
Chinese Journal of High Pressure Physics | 2007, 21(3) : 279 - 282
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Chinese Journal of High Pressure Physics | 2007, 21(3): 279-282
Energy Dispersive X-Ray Powder Diffraction of Natural Enstatite under High Pressure Conditions
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Mai-Ning MA1, Wen-Ge ZHOU2, Jing LIU3, Yan-Chun LI3, Xiao-Dong LI3
Affiliations
  • 1.Laboratory of Computational Geodynamics, Graduate University of Chinese Academy of Science, Beijing 100049, China
  • 2.Institute of Geochemistry, Chinese Academy of Science, Guiyang 550002, China
  • 3.Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, China
Published: 2007-09-05
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Using synchrotron radiation and diamond anvil cell (DAC) in high pressure research station of Beijing Synchrotron Radiation Facility (BSRF), energy dispersive X-ray powder diffraction (EDXD) of the natural enstatite collected from Damapin in Hebei Province, have been in situ measured under room temperature and high pressure (0~31.64 GPa) conditions. Then the unit-cell parameters of sample and their changes versus pressure have been acquired using the UnitCell software. Furthermore, basing on Murnaghan equation of state (EOS), bulk modulus KT(0)=172 GPa, compression coefficient, and p-V equation of state of natural enstatite have been obtained. The experiment data show that compression coefficient have distinct anisotropy for the three crystallographic axis. This result is consistent with the anisotropy of elastic velocity of orthopyroxene.

enstatite  /  diamond anvil cell  /  energy dispersive X-ray diffraction (EDXD)  /  equation of state  /  compression coefficient
马麦宁, 周文戈, 刘景, 李延春, 李晓东. 高压下天然顽火辉石能量色散X射线粉末衍射研究. 高压物理学报, 2007 , 21 (3) : 279 -282 .
Mai-Ning MA, Wen-Ge ZHOU, Jing LIU, Yan-Chun LI, Xiao-Dong LI. Energy Dispersive X-Ray Powder Diffraction of Natural Enstatite under High Pressure Conditions[J]. Chinese Journal of High Pressure Physics, 2007 , 21 (3) : 279 -282 .
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Year 2007 volume 21 Issue 3
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  • Receive Date：2006-09-01
  • Online Date：2026-11-01
  • Published：2007-09-05
Article Data
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History
  • Received：2006-09-01
  • Revised：2006-12-07
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Affiliations
    1.Laboratory of Computational Geodynamics, Graduate University of Chinese Academy of Science, Beijing 100049, China
    2.Institute of Geochemistry, Chinese Academy of Science, Guiyang 550002, China
    3.Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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