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Phase Relations and Pressure-Volume-Temperature Equation of State of Galena
Fan DW(范大伟); Zhou WG(周文戈); Wei SY(魏舒怡); Liu J(刘景); Li YC(李延春)
2010
Source Publication中国物理快报:英文版
Volume27Issue:8Pages:151-154
AbstractThe phase relations and pressure volume dependences of galena (PbS) under high pressure and high temperature are investigated by means of in situ observation using resistance heating in a diamond anvil cell and synchrotron radiation. The phase transition from NaCl type to TlI type takes place at approximately 2.4 GPa. A fit to the high temperature third-order Birch-Murnaghan equation of state yields an isothermal bulk modulus K-0 = 37(3) GPa, and its pressure derivative K-0' = 3.6(3), the temperature derivative of the bulk modulus (partial derivative K/partial derivative T)(P) = -0.022(9) GPaK(-1), and the thermal expansion coefficient alpha(0) = 2.2(5) x 10(-5) K-1 for TlI-type galena. The linear compressibilities beta along a, b and c directions of TlI type is elastically anisotropic (beta(a) = 3.4 x 10(-3) GPa(-1), beta(b) = 1.4 x 10(-4) GPa(-1) and beta(c) = 1.6 x 10(-3) GPa(-1)). We obtain the temperature derivative of the bulk modulus (partial derivative K/partial derivative T)(P) and thermal expansion coefficient alpha(0) for TlI-type galena for the first time.
Subject Area地球深部物质与流体作用地球化学
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/6819
Collection地球内部物质高温高压实验室_地球内部物质高温高压实验室_期刊论文
Recommended Citation
GB/T 7714
Fan DW,Zhou WG,Wei SY,et al. Phase Relations and Pressure-Volume-Temperature Equation of State of Galena[J]. 中国物理快报:英文版,2010,27(8):151-154.
APA 范大伟,周文戈,魏舒怡,刘景,&李延春.(2010).Phase Relations and Pressure-Volume-Temperature Equation of State of Galena.中国物理快报:英文版,27(8),151-154.
MLA 范大伟,et al."Phase Relations and Pressure-Volume-Temperature Equation of State of Galena".中国物理快报:英文版 27.8(2010):151-154.
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