Structural and Magnetic Phase Transitions in Minerals |
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Page 79
... predicted by the TA may be an artifact of our sim- plistic model for many - body interactions . The TA predicts that ( at 0 K ) 8 is always degenerate with respect to the assemblage calcite + dolomite ( C + D ) , and it should therefore ...
... predicted by the TA may be an artifact of our sim- plistic model for many - body interactions . The TA predicts that ( at 0 K ) 8 is always degenerate with respect to the assemblage calcite + dolomite ( C + D ) , and it should therefore ...
Page 92
... predicted quite accurately . The results are in remarkably good agreement with available data and yielded the first predictions for these quantities at pressures and temperatures corresponding to the lower mantle . The calculations ...
... predicted quite accurately . The results are in remarkably good agreement with available data and yielded the first predictions for these quantities at pressures and temperatures corresponding to the lower mantle . The calculations ...
Page 109
... predict these parameters at con- ditions that are relevant to the lower mantle and as yet not measured experimentally ... predicted pressure - induced structural changes are consistent with data : pressure increases internal strains in ...
... predict these parameters at con- ditions that are relevant to the lower mantle and as yet not measured experimentally ... predicted pressure - induced structural changes are consistent with data : pressure increases internal strains in ...
Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
Copyright | |
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Other editions - View all
Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Limited preview - 2012 |
Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Snippet view - 1988 |
Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Snippet view - 1988 |
Common terms and phrases
a-ẞ transition anisotropy ANNNI model antiferromagnetic approximation atoms axis Bachheimer Ballet behavior berlinite Bukowinski calculated canting Chem chemical Co₂SiO4 Coey components composition coupling crystal field crystal structure crystallographic Davidson decreases density Di-En disordered Dolino Earth Planet electron equilibrium experimental Fe² Fe2+ Fe2SiO4 Fe³ feldspar ferromagnetic free energy Geophys Ghose grunerite high pressure high-spin ilvaite inc phase incommensurate phase interactions ions Jeanloz Landau theory lattice layers Lindsley low temperatures lower mantle LS transition M2 sites magnetic order magnetic phase transitions magnetic properties magnetic structure Matsui measurements MgSiO3 Mineral Mn2SiO4 mode Mössbauer neutron diffraction observed octahedral olivines order parameter orthopyroxene orthorhombic pairs perovskite phase diagrams phase transition Phys polytypes polytypic phases predicted pyroxenes quartz Salje sample shown in Fig silicates SiO2 solid solution space group spin glass ẞ phase susceptibility symmetry temperature dependence thermal expansion thermodynamic tion transformation X-ray zero pressure