Structural and Magnetic Phase Transitions in Minerals |
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Page 73
... layers alternate with ( Mg , Ca ) layers , and the ( Mg , Ca ) layers are ordered such that Ca and Mg sites form alternating rows . For 8 they propose a structure that is derived from dolomite by doubling every Ca layer such that the layer ...
... layers alternate with ( Mg , Ca ) layers , and the ( Mg , Ca ) layers are ordered such that Ca and Mg sites form alternating rows . For 8 they propose a structure that is derived from dolomite by doubling every Ca layer such that the layer ...
Page 221
... layers and has been used as the ANNNI symbol before . Third column : sequences of molecular layers , placing emphasis on the stronger bonds inside the sandwich layers rather than between them . The sandwich layers are denoted as x = A y ...
... layers and has been used as the ANNNI symbol before . Third column : sequences of molecular layers , placing emphasis on the stronger bonds inside the sandwich layers rather than between them . The sandwich layers are denoted as x = A y ...
Page 230
... layers of 12R material are embedded in a matrix of 2H . The thin sheets of 12R subsequently grow , with each of these layers spreading out in the plane until it hits a defect ( e.g. , the surface of the crystal ) . At this stage , a new ...
... layers of 12R material are embedded in a matrix of 2H . The thin sheets of 12R subsequently grow , with each of these layers spreading out in the plane until it hits a defect ( e.g. , the surface of the crystal ) . At this stage , a new ...
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