In situ observations of phase transition between perovskite and CaIrO3-type phase in MgSiO3 and pyrolitic mantle composition

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Density-Functional Perturbation Theory for Quasi-Harmonic Calculations (2011, unknown): “…Mg2SiO4) have been extensively studied(Wentzcovitch et al. 2006, Oganov & Ono 2004, Oganov & Price 2005, Wu & Wentzcovitch 2009, Yu et al. 2007, Wu et al. 2008, Yu et al. 2008, Ono & Oganov 2005) due to their great importance for the Earth’s D′′ layer and lower mantle, respectively.”
The MgSiO3 system at high pressure: Thermodynamic properties of perovskite, postperovskite, and melt from global inversion of shock and static compression data (2009, methodology): “[4] The thermal EoS of MgSiO3 postperovskite has so far only received serious attention from one experimental study [Guignot et al., 2007] and two theoretical studies [Ono and Oganov, 2005; Tsuchiya et al., 2005].”
Postperovskite phase transition and its geophysical implications (2006, methodology): “[25] Ono and Oganov [2005] performed similar XRD experiments and observed postperovskite phase transition above 124 GPa and 2500 K based on Jamieson’s Au”