Structural and Magnetic Phase Transitions in Minerals |
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Page 92
... pressure geophysicists about the nature of the 670 km seismic discontinuity ( Jackson , 1983 ; Jeanloz and Thompson , 1983 ; Lees et al . , 1983 ; Ito et al . , 1984 ; Wolf and Bukowinski , 1985 , 1987 ) . Recent dynamic model- ing of ...
... pressure geophysicists about the nature of the 670 km seismic discontinuity ( Jackson , 1983 ; Jeanloz and Thompson , 1983 ; Lees et al . , 1983 ; Ito et al . , 1984 ; Wolf and Bukowinski , 1985 , 1987 ) . Recent dynamic model- ing of ...
Page 99
... pressure derivatives of the critical temperatures . The symmetry of the lattice changes from orthorhombic perovskite to tetragonal perovskite at approximately 950 K and further changes to cubic perovskite at about 1500 K. Pressure ...
... pressure derivatives of the critical temperatures . The symmetry of the lattice changes from orthorhombic perovskite to tetragonal perovskite at approximately 950 K and further changes to cubic perovskite at about 1500 K. Pressure ...
Page 111
... Pressure Research in Geophysics , edited by S. Akimoto and H. Manghnani , pp . 405-419 . Center for Academic Publications , Tokyo . Ito , E. , Takahashi , E. , and Matsui , Y. ( 1984 ) The mineralogy and chemistry of the lower mantle ...
... Pressure Research in Geophysics , edited by S. Akimoto and H. Manghnani , pp . 405-419 . Center for Academic Publications , Tokyo . Ito , E. , Takahashi , E. , and Matsui , Y. ( 1984 ) The mineralogy and chemistry of the lower mantle ...
Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
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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