IHEP OpenIR
Thermal equation of state of natural stibnite up to 25.7 GPa and 533 K
Fan, DW; Xu, JG; Liu J(刘景); Liu, J; Li, YC; Xie, HS
2014
Source PublicationHIGH TEMPERATURES-HIGH PRESSURES
ISSN0018-1544
EISSN1472-3441
Volume43Issue:5Pages:351-359
AbstractIn situ energy dispersive X-ray diffraction experiments on a natural stibnite were performed by using an external resistive heating diamond anvil cell instrument with synchrotron radiation at Beijing Synchrotron Radiation Facility up to 25.7 GPa and 533 K. No phase changes are observed during compression or decompression. The compression of stibnite is anisotropic. The a-axis is the most compressible direction, followed by the b axis and the c axis. The a and b axis is thrice and twice as compressible as the c axis, respectively. A fit to the high temperature Birch-Murnaghan equation of state yielded an isothermal bulk modulus K-0 = 27.7(1.1) GPa, a temperature derivative of the bulk modulus (partial derivative K/partial derivative T)(p) = -0.0147(57) GPaK(-1), and a thermal expansion coefficient (alpha(0)) = 2.9(6) x 10(-4)K(-1). The derived K-0 value is in good agreement with previous results. The temperature derivative of the bulk modulus and thermal expansion coefficient of stibnite are obtained for the first time. An anomalous thermal behavior of stibnite along the c axis was found, and its possible reason was discussed.
KeywordSynchrotron X-ray diffraction Equation of state stibnite high pressure and high temperature
Subject AreaThermodynamics; Mechanics; Materials Science
Indexed BySCI
Language英语
WOS IDWOS:000340215200002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/225022
Collection中国科学院高能物理研究所
Recommended Citation
GB/T 7714
Fan, DW,Xu, JG,Liu J,et al. Thermal equation of state of natural stibnite up to 25.7 GPa and 533 K[J]. HIGH TEMPERATURES-HIGH PRESSURES,2014,43(5):351-359.
APA Fan, DW,Xu, JG,刘景,Liu, J,Li, YC,&Xie, HS.(2014).Thermal equation of state of natural stibnite up to 25.7 GPa and 533 K.HIGH TEMPERATURES-HIGH PRESSURES,43(5),351-359.
MLA Fan, DW,et al."Thermal equation of state of natural stibnite up to 25.7 GPa and 533 K".HIGH TEMPERATURES-HIGH PRESSURES 43.5(2014):351-359.
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