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Compressional behavior of strontianite SrCO3 by synchrotron X-ray radiation diffraction: effects of pressure transmitting media
Bo Zhang;  Shijie Huang;  Wei Chen;  Bo Li;  Zhilin Ye;   Jingui Xu;  Dawei Fan;  Wenge Zhou
2019
发表期刊High Temperatures - High Pressures
卷号48期号:5-6页码:455-467
摘要

The compressional behavior of strontianite SrCO3 was investigated at ambient temperature and high pressure, using a diamond anvil cell (DAC) with Ne as a pressure transmitting medium. X-ray diffraction patterns were collected to ~52 GPa using in situ angle-dispersive synchrotron-based powder X-ray diffraction (XRD). A phase transition was observed at ~20 GPa, and no indications of further transitions were detected up to ~52 GPa. The pressure-volume (P-V) data within 0.27-17.35 GPa were fitted to a third-order Birch-Murnaghan equation of state (BM3 EoS) to obtain the elastic coefficients including zero-pressure unit-cell volume, isothermal bulk modulus and its pressure derivative: V0 = 258.4(3) Å3, KT0 = 55(2) GPa, and K′T0 = 4.3(3). The V0 and KT0 were obtained as 258.1(2) Å3 and 57.1(6) GPa, when fixed K′T0 = 4. The axial compressional behavior of strontianite was also investigated by fitting the pressure-lattice parameter data to a parameterized form of the BM3 EoS, and the compression of the a-, b-, and c-axis was strongly anisotropic, with Ka0 = 104(6), Kb0 = 52(12), and Kc0 = 31.6(5) GPa. Based on this and previous studies using different pressure transmitting media (PTM), the effects PTM on the compressional behavior of strontianite were discussed.

关键词Strontianite High Pressure Diamond Anvil Cell Equation Of State Synchrotron X-ray Diffraction Pressure Transmitting Media
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/10426
专题地球内部物质高温高压实验室
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Bo Zhang;Shijie Huang;Wei Chen;Bo Li;Zhilin Ye; Jingui Xu;Dawei Fan;Wenge Zhou. Compressional behavior of strontianite SrCO3 by synchrotron X-ray radiation diffraction: effects of pressure transmitting media[J]. High Temperatures - High Pressures,2019,48(5-6):455-467.
APA Bo Zhang;Shijie Huang;Wei Chen;Bo Li;Zhilin Ye; Jingui Xu;Dawei Fan;Wenge Zhou.(2019).Compressional behavior of strontianite SrCO3 by synchrotron X-ray radiation diffraction: effects of pressure transmitting media.High Temperatures - High Pressures,48(5-6),455-467.
MLA Bo Zhang;Shijie Huang;Wei Chen;Bo Li;Zhilin Ye; Jingui Xu;Dawei Fan;Wenge Zhou."Compressional behavior of strontianite SrCO3 by synchrotron X-ray radiation diffraction: effects of pressure transmitting media".High Temperatures - High Pressures 48.5-6(2019):455-467.
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