Structural and Magnetic Phase Transitions in Minerals |
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Page 13
... representing the values of Q and Qod at various temperatures ( thermodynamic equilibrium ) . = = form and the fully ... represented by one point in the coordinate system spanned by Q and Qod . When the temperature changes , this point ...
... representing the values of Q and Qod at various temperatures ( thermodynamic equilibrium ) . = = form and the fully ... represented by one point in the coordinate system spanned by Q and Qod . When the temperature changes , this point ...
Page 40
... represented by chemical potential equalities for each component , if we understand their interdependence ( e.g. , Kretz , 1982 ) . The extended P , T , X conditions of available experimental results can now be included in thermodynamic ...
... represented by chemical potential equalities for each component , if we understand their interdependence ( e.g. , Kretz , 1982 ) . The extended P , T , X conditions of available experimental results can now be included in thermodynamic ...
Page 224
... represented by diffuse diffraction spots shifted toward the 2H reflections . ( Bottom ) 2H transformed to 4H after rapid heating to 423 K ; streaks of 12R are visible . after an annealing time of 7h and the phase transition was almost ...
... represented by diffuse diffraction spots shifted toward the 2H reflections . ( Bottom ) 2H transformed to 4H after rapid heating to 423 K ; streaks of 12R are visible . after an annealing time of 7h and the phase transition was almost ...
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