Structural and Magnetic Phase Transitions in Minerals |
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Page 11
... Feldspars : Order Parameters of Na - Feldspar and the I1 - P1 Phase Transition in Anorthite E. Salje Introduction Considerable progress has been made in recent years on the experimental investi- gation and theoretical understanding of ...
... Feldspars : Order Parameters of Na - Feldspar and the I1 - P1 Phase Transition in Anorthite E. Salje Introduction Considerable progress has been made in recent years on the experimental investi- gation and theoretical understanding of ...
Page 11
... feldspars . As no com- parable experimental results are yet available for other feldspars , the theoretical part of the discussion will be focused on the sequence C2 / m Ci as observed in Na - feldspar and C2 / m → C1 → I1 Pl as ...
... feldspars . As no com- parable experimental results are yet available for other feldspars , the theoretical part of the discussion will be focused on the sequence C2 / m Ci as observed in Na - feldspar and C2 / m → C1 → I1 Pl as ...
Page 11
... feldspar systems originates from the fact that several ordering schemes lead to phase transitions and that the respective order parameters are not independent of each other ... feldspar Toward a Thermodynamic Understanding of Feldspars 3.
... feldspar systems originates from the fact that several ordering schemes lead to phase transitions and that the respective order parameters are not independent of each other ... feldspar Toward a Thermodynamic Understanding of Feldspars 3.
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