Determination of post-perovskite phase transition boundary up to 4400 K and implications for thermal structure in D″ layer

By Shigehiko Tateno, K. Hirose, N. Sata, Y. Ohishi. 2009

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Thermodynamics of mantle minerals - II. Phase equilibria (2011, result): “68 1600 1900 Katsura et al. (2004) st 27 101.00 127.00 800 3000 Murakami et al. (2003) 7.71 11.36 800 1803 Zhang et al. (1996) seif 4 124.00 151.00 2040 2420 Murakami et al. (2003) mppv 8 136.10 171.00 1640 4380 Tateno et al. (2009) co 2 72.00 89.”
Dynamics and evolution of the deep mantle resulting from thermal, chemical, phase and melting effects (2012, background): “This phase transition has a strongly positive Clapeyron slope, initially estimated at ~8 MPa/K (Oganov and Ono, 2004; Tsuchiya et al., 2004b), but this is probably a lower bound (Hernlund and Labrosse, 2007) and values as high as 13 MPa/K may be appropriate (Tateno et al., 2009; Hernlund, 2010).”
The influence of MORB and harzburgite composition on thermo-chemical mantle convection in a 3-D spherical shell with self-consistently calculated mineral physics (2010, background): “As the PPv transition is becoming increasingly constrained by ongoing experimental and theoretical mineral physics studies (e.g., Tateno et al., 2009; Tsuchiya and Tsuchiya, 2008), we should in future be able to adjust the thermodynamic data that goes into the Perple_X software, in order to match…”