Structural and magnetic phase transitions in mineralsThis 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 41
This compositional restriction appears to be structurally controlled: Ca has been
found only in the larger M2 site, while Fe and Mg substitute in both Ml and M2
sites. Binary olivines have been synthesized with Ca:Fe ratios greater than one ...
This compositional restriction appears to be structurally controlled: Ca has been
found only in the larger M2 site, while Fe and Mg substitute in both Ml and M2
sites. Binary olivines have been synthesized with Ca:Fe ratios greater than one ...
Page 167
There are chains of edge-sharing octahedral Ml sites (point symmetry 1) running
parallel to b that are connected to sheets of corner-sharing octahedral M2 sites (
point symmetry m) perpendicular to a, as shown in Fig. 1. The ferrous olivine ...
There are chains of edge-sharing octahedral Ml sites (point symmetry 1) running
parallel to b that are connected to sheets of corner-sharing octahedral M2 sites (
point symmetry m) perpendicular to a, as shown in Fig. 1. The ferrous olivine ...
Page 169
In an extension to (Fe2-^ Mn^)[Si2]04 solid solutions it was found that the
direction of sublattice magnetization is c or b, depending on the occupancy of Ml
or M2 sites by Fe2 (Ballet etal., 1987). The iron-deficient ferrous-ferric olivine
laihunite is ...
In an extension to (Fe2-^ Mn^)[Si2]04 solid solutions it was found that the
direction of sublattice magnetization is c or b, depending on the occupancy of Ml
or M2 sites by Fe2 (Ballet etal., 1987). The iron-deficient ferrous-ferric olivine
laihunite is ...
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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 |
Common terms and phrases
a-P transition anisotropy ANNNI model antiferromagnetic approximation atoms axis Bachheimer Ballet behavior berlinite Bukowinski calculated canting Chem chemical cluster Coey components composition coupling crystal field crystal structure crystallographic cubic Davidson decreases density disordered Dolino Earth Planet electron entropy equilibrium etal experimental Fe2+ and Fe3+ feldspar ferromagnetic free energy Geophys Ghose high pressure high-spin ilvaite inc phase incommensurate phase interactions Jeanloz Landau theory layers Lindsley long-range order low temperatures low-spin lower mantle LS transition M2 sites magnetic order Magnetic Phase Transitions magnetic properties magnetic structure Matsui measurements MgSi03 perovskite Mineral Mossbauer neutron diffraction observed octahedral olivines orbital order parameter orthopyroxene orthorhombic oxides pairs PbI2 perovskite phase diagrams phase of quartz phase transition Phys polytypic polytypic phases predicted pyroxenes quartz Salje sample shown in Fig solid solutions space group spin glass susceptibility symmetry temperature dependence thermal expansion thermodynamic tion transformation X-ray zero pressure