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In-situ Raman Study and Phase Transition of Gypsum under High Pressure
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Yan-Ping MA1, 2, 3, Fang-Fei LI4
Chinese Journal of High Pressure Physics | 2012, 26(3) : 357 - 360
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Chinese Journal of High Pressure Physics | 2012, 26(3): 357-360
In-situ Raman Study and Phase Transition of Gypsum under High Pressure
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Yan-Ping MA1, 2, 3, Fang-Fei LI4
Affiliations
  • 1.Key Laboratory of Ministry of Education for Application Technology of Chemical Materials in Hainan Superior Resources, Haikou 570228, China
  • 2.Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, Haikou 570228, China
  • 3.Hainan University Materials and Chemical Engineering, Haikou 570228, China
  • 4.State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China
Published: 2012-06-15
Outline
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In-situ high-pressure Raman study of the gypsum was carried out from 0 to 35 GPa with a diamond anvil cell (DAC). The authors determined the pressure dependences of the Raman bands of gypsum. A new Raman peak 1 012 cm-1 in the stretching vibration of range is found at pressure of about 4.5 GPa, and its intensity is shown to strengthen with increasing pressure. So we can determine the occurrence of pressure-induced phase transition near 4.5 GPa.

gypsum  /  high-pressure Raman spectroscopy  /  phase transition  /  diamond anvil cell (DAC)
马艳平, 李芳菲. 石膏的高压原位Raman光谱和相变研究. 高压物理学报, 2012 , 26 (3) : 357 -360 .
Yan-Ping MA, Fang-Fei LI. In-situ Raman Study and Phase Transition of Gypsum under High Pressure[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (3) : 357 -360 .
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Article Info
  • Receive Date：2011-01-18
  • Online Date：2026-11-05
  • Published：2012-06-15
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History
  • Received：2011-01-18
  • Revised：2011-03-22
Affiliations
    1.Key Laboratory of Ministry of Education for Application Technology of Chemical Materials in Hainan Superior Resources, Haikou 570228, China
    2.Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, Haikou 570228, China
    3.Hainan University Materials and Chemical Engineering, Haikou 570228, China
    4.State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, 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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