Structural and Magnetic Phase Transitions in Minerals |
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Page 11
... coupling ( Imry , 1975 ; Gufan and Larin , 1980 ; Salje and Devarajan , 1985 ) . In feldspars , symmetry - breaking ... coupling between different ordering mechanisms is essential for the under- standing of the thermodynamic behavior of ...
... coupling ( Imry , 1975 ; Gufan and Larin , 1980 ; Salje and Devarajan , 1985 ) . In feldspars , symmetry - breaking ... coupling between different ordering mechanisms is essential for the under- standing of the thermodynamic behavior of ...
Page 11
... coupling between Qod and Qz is not allowed . ( Their respective active representations are not identical . ) However , the following three coupling mechanisms are consistent with the symmetry reductions of Qod and Qz : 1. Strain ...
... coupling between Qod and Qz is not allowed . ( Their respective active representations are not identical . ) However , the following three coupling mechanisms are consistent with the symmetry reductions of Qod and Qz : 1. Strain ...
Page 11
... coupling between the two order parameters is bilinear for Na - feldspar and biquadratic for anorthite . The biquadratic coupling including the role of stress fields changes both the critical temperature T of the II - P1 phase transition ...
... coupling between the two order parameters is bilinear for Na - feldspar and biquadratic for anorthite . The biquadratic coupling including the role of stress fields changes both the critical temperature T of the II - P1 phase transition ...
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