Elasticity of post‐perovskite MgSiO3

By T. Tsuchiya, J. Tsuchiya, K. Umemoto, Renata M. Wentzcovitch. 2004

165 citations recorded by the source corpus.

Subfields: Geophysics

View Paper: https://www.semanticscholar.org/paper/efb8740e19b25d1bd0370da390bf01104c98143e

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In Geophysics

1. K. Hirose
2. Barbara Romanowicz
3. J. Hernlund
4. C. Houser
5. A. Forte
6. Lapo Boschi
7. N. Simmons
8. Paul J. Tackley

Citations in the corpus

• Stagnant slab : A review (2009, background): “(2005) investigated phase relations, mineral chemistry and density of MORB composition to show that the post-perovskite transition (Murakami et al., 2004; Tsuchiya et al., 2004; Oganov and Ono, 2004) of MORB composition starts at a pressure lower than the transition pressure for pure MgSiO3 perovski”
• Post‐perovskite phase transition and mineral chemistry in the pyrolitic lowermost mantle (2005, background): “However, theoretical calculations performed at T = 0 K [Iitaka et al., 2004; Oganov and Ono, 2004; Tsuchiya et al., 2004a] suggest that such a large velocity increase cannot be caused by a boundary between the isotropic aggregates of MgPv and MgPP. Alternatively, it is explained by the onset of…”
• Postperovskite phase transition and its geophysical implications (2006, background): “The elastic properties were calculated both at 0 K [Tsuchiya et al., 2004b; Iitaka et al., 2004; Oganov and Ono, 2004] and high temperatures [Stackhouse et al., 2005; Wookey et al., 2005; Wentzcovitch et al., 2006].”
• On the statistical distribution of seismic velocities in Earth's deep mantle (2008, background): “…of a velocity jump up to several percent in VS and almost no change in VP for the Pv-pPv transition appear to be compatible with the presence of seismically observed discontinuities near the top of the D” layer (Iitaka et al., 2004; Tsuchiya et al., 2004; Wookey et al., 2005; Hirose, 2006).”
• GyPSuM: A joint tomographic model of mantle density and seismic wave speeds (2010, background): “This hypothesis is based upon mineral physics analyses that indicate that shear modulus increases while bulk modulus is relatively unchanged due to the transition to the pPv phase [e.g. Tsuchiya et al. 2004].”
• The effect of temperature on the seismic anisotropy of the perovskite and post-perovskite polymorphs of MgSiO 3 (2004, background): “The literature shows that many mantle minerals have been successfully studied using DFTbased simulation methods [18–35,37–40].”
• A Three-Dimensional Radially-Anisotropic Model of Shear Velocity in the Whole Mantle (2006, background): “Many other studies have observed anisotropy in several geographic regions in the lowermost mantle using phases such as ScS and Sdiff (Lay & Helmberger 1983; Vinnik et al. 1989; Kendall & Silver 1996; Matzel et al. 1997; Garnero & Lay 1997; Pulliam & Sen 1998; Lay et al. 1998; Russell et al. 1999).”