Structural and Magnetic Phase Transitions in Minerals |
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Page 26
... appears as an intermediate phase between a high - temperature normal phase and a low - temperature commensurate phase . Furthermore , in some cases where the order parameter is one - dimensional so that there is no Lifshitz invariant ...
... appears as an intermediate phase between a high - temperature normal phase and a low - temperature commensurate phase . Furthermore , in some cases where the order parameter is one - dimensional so that there is no Lifshitz invariant ...
Page 27
... appears between T ; and T. ( Bachheimer , 1980 ) . lites by neutron diffraction by Dolino et al . ( 1982 ) . The results of the first investiga- tions on this new inc phase have been reviewed by Dolino ( 1986 ) , and more recent ...
... appears between T ; and T. ( Bachheimer , 1980 ) . lites by neutron diffraction by Dolino et al . ( 1982 ) . The results of the first investiga- tions on this new inc phase have been reviewed by Dolino ( 1986 ) , and more recent ...
Page 234
... appears as an intermediate phase on the temperature scale with a stability field between those of the basic polytypes . The physical nature of SU can vary for different polytypic materials , as does the nonideality of mixing for most ...
... appears as an intermediate phase on the temperature scale with a stability field between those of the basic polytypes . The physical nature of SU can vary for different polytypic materials , as does the nonideality of mixing for most ...
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