Structural and Magnetic Phase Transitions in MineralsS. Ghose, J.M.D. Coey, E. Salje This volume in Advances in Physical Geochemistry presents the latest synthesis of theory and experimental data pertaining to structural and magnetic phase transitions in a variety of geochemically important minerals. The book is the first to cover the impact of this rapidly progressing area of solid state physics in earth sciences and reflects its growing significance for mineralogy and petrology. |
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Page 93
... orthorhombic structure results on coordinated rotations of the octahedra around the two axes . The Theoretical Model Our objective is to construct a mathematical model of MgSiO , perovskite that is capable of yielding its thermodynamic ...
... orthorhombic structure results on coordinated rotations of the octahedra around the two axes . The Theoretical Model Our objective is to construct a mathematical model of MgSiO , perovskite that is capable of yielding its thermodynamic ...
Page 143
... orthorhombic symmetry ( B≈ 90.25 ° ) at room temperature explains why a number of earlier X - ray and neutron structure determinations on single crystals were made assuming orthorhombic symmetry ( Belov and Mokeeva , 1954 ; Beran and ...
... orthorhombic symmetry ( B≈ 90.25 ° ) at room temperature explains why a number of earlier X - ray and neutron structure determinations on single crystals were made assuming orthorhombic symmetry ( Belov and Mokeeva , 1954 ; Beran and ...
Page 148
... Orthorhombic Ilvaites Why certain natural ilvaites are orthorhombic under ambient conditions is not clear , because no simple correlation of impurity content with the monoclinic versus orthorhombic symmetry exists ( M. Bunno , 1986 ...
... Orthorhombic Ilvaites Why certain natural ilvaites are orthorhombic under ambient conditions is not clear , because no simple correlation of impurity content with the monoclinic versus orthorhombic symmetry exists ( M. Bunno , 1986 ...
Contents
Preface | 1 |
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
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 |
Common terms and phrases
a-ẞ transition anisotropy ANNNI model antiferromagnetic atoms axis Bachheimer Ballet behavior berlinite Bukowinski calculated canting cation distributions Chem chemical cluster Co₂SiO4 Coey components composition coupling crystal field crystal structure crystallographic decreases density disordered Dolino Earth Planet electron entropy equilibrium experimental Fe² Fe2+ Fe2SiO4 Fe³ feldspar ferromagnetic free energy Fuess Geophys Ghose grunerite high-spin ilvaite inc phase incommensurate phase interactions ions Jeanloz Landau theory lattice layers Lindsley long-range order low temperatures lower mantle LS transition M2 sites magnetic order Magnetic properties magnetic structure Matsui measurements MgSiO3 Mineral Mn2SiO4 Mössbauer neutron diffraction observed octahedral olivines orbital order parameter orthopyroxene orthorhombic oxides pairs perovskite phase diagrams phase transition Phys polytypes polytypic phases predicted pyroxenes quartz Salje sample shown in Fig silicates SiO2 solid solutions space group spin glass ẞ phase susceptibility symmetry temperature dependence thermal expansion thermodynamic tion transformation X-ray zero pressure