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Direct shock wave loading of Stishovite to 235 GPa: Implications for perovskite stability relative to an oxide assemblage at lower mantle conditions
perovskite stability ower mantle conditions Direct shock
2014/4/8
Pure stishovite and coesite samples with zero porosity
and dimensions appropriate for planar shock wave
experiments have been synthesized with multi-anvil highpressure techniques. The equation of st...
Reaction between magnesiowüstite of lower mantle composition and core-forming Fe-Ni alloy at 1-40 Gpa
Reaction magnesiowüstite lower mantle composition core-forming Fe-Ni alloy 1-40 Gpa
2012/4/5
OneclassofmodelsfortheearlyhistoryoftheEarthrequiresthepresent-dayinventory
ofsiderophileelementsinthemantletohavebeenestablishedbyequilibriumpartitioning
betweencore-formingmetalandmantlemineralsat...
Elastic properties of orthorhombic MgSiO3 perovskite at lower mantle pressures
Elastic properties orthorhombic MgSiO3 perovskite lower mantle pressures
2012/4/5
ThefullelasticconstanttensoroforthorhombicMgSiO perovskitehasbeendetermined
from?rstprinciplesforthe?rsttimeathighpressureusingtheplane-wavepseudopotential
method.Theathermalelasticmoduli,determined...
Prediction of phase transition in CaSiO3 perovskite and implications for lower mantle structure
Prediction phase transition CaSiO3 perovskite implications mantle structure
2012/4/6
First-principleslinear-response calculations wereusedto investigate the lattice dynamics ofwhatis thought to be the third mostabundant phase in the lower mantle,CaSi03 perovskite.Thecommonly assumed c...