Structural and Magnetic Phase Transitions in Minerals |
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Page 26
... shown by Levanyuk and Sannikov ( 1976a ) , however , there are some cases where the existence of an inc phase can be predicted from a knowledge of the sym- metry of the high - temperature phase . In some cases the minimum of the Landau ...
... shown by Levanyuk and Sannikov ( 1976a ) , however , there are some cases where the existence of an inc phase can be predicted from a knowledge of the sym- metry of the high - temperature phase . In some cases the minimum of the Landau ...
Page 54
... shown as the irregularly shaped areas . Geothermometry Applications With a solution model for pyroxenes , several methods for thermometry and barom- etry are available . Pigeonite stability relative to augite + opx assemblages gives ...
... shown as the irregularly shaped areas . Geothermometry Applications With a solution model for pyroxenes , several methods for thermometry and barom- etry are available . Pigeonite stability relative to augite + opx assemblages gives ...
Page 228
... shown . Heating rate was 10 K / h . The temperature dependence of the intrinsic dielectric constant is shown in Fig . 7. Its absolute value , 6.5 , is virtually independent of temperature . There is no change in the dielectric constant ...
... shown . Heating rate was 10 K / h . The temperature dependence of the intrinsic dielectric constant is shown in Fig . 7. Its absolute value , 6.5 , is virtually independent of temperature . There is no change in the dielectric constant ...
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