Equation of state of gold and its application to the phase boundaries near 660 km depth in Earth’s mantle

By S. Shim, T. Duffy, K. Takemura. 2002

176 citations recorded by the source corpus.

Subfields: Electronic, Optical and Magnetic Materials, Geophysics

View Paper: https://www.semanticscholar.org/paper/aedb666f184675e57c6ad7f09386f658985c6cdd

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In Electronic, Optical and Magnetic Materials

In Geophysics

Citations in the corpus

A critical evaluation of pressure scales at high temperatures by in situ X-ray diffraction measurements (2004, methodology): “The difference in the calculated pressures between the MgO scale ofSpeziale et al. (2001)and the revised Au scale of Shim et al. (2002)is relatively small (<0.5 GPa) at 25 GPa and 1873 K.”
Experimentally determined postspinel transformation boundary in Mg2SiO4 using MgO as an internal pressure standard and its geophysical implications (2004, unknown): “…of the phase boundaries (compare Figures 4 and 5) because the existing equations of state of pressure standards (Au, MgO, and Pt) predict pressures that can differ by as much as 3 GPa at conditions corresponding to the 660-km seismic discontinuity [e.g., Shim et al., 2002; Fei et al., 2003].”
Post‐perovskite phase transition and mineral chemistry in the pyrolitic lowermost mantle (2005, background): “If the other EOSs of gold are applied to the present experiments [Jamieson et al., 1982; Heinz and Jeanloz, 1984; Anderson et al., 1989; Shim et al., 2002a], the phase transition pressure decreases by 4 to 8 GPa.”
In situ observations of phase transition between perovskite and CaIrO3-type phase in MgSiO3 and pyrolitic mantle composition (2005, methodology): “[55] are several GPa lower than those using Jamieson’s.”
Thermodynamics of mantle minerals – I. Physical properties (2005, result): “…principles calculations upon which our Ca-perovskite results are based assumed a cubic ground state structure, an assumption not supported by other theoretical calculations (Stixrude et al. 1996; Magyari-Kope et al. 2002; Akber-Knutson et al. 2002) or experiment (Shim et al. 2002; Ono et al. 2004).”