Structural and Magnetic Phase Transitions in Minerals |
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Page 18
... first describe the main properties of the transition , neglecting the existence of the inc phase , which can be ... First- and Second - Order Transitions One can distinguish a discontinuous first - order transition from a continuous ...
... first describe the main properties of the transition , neglecting the existence of the inc phase , which can be ... First- and Second - Order Transitions One can distinguish a discontinuous first - order transition from a continuous ...
Page 19
... first - order transition with thermal hysteresis between To and T1 = To + B2 / 4AC . Landau theory can describe both first- and second - order symmetry - breaking transitions , but fluctuation effects are outside its range of validity ...
... first - order transition with thermal hysteresis between To and T1 = To + B2 / 4AC . Landau theory can describe both first- and second - order symmetry - breaking transitions , but fluctuation effects are outside its range of validity ...
Page 195
... first model . The second one is that of the same 4000 factors after the first 119 are replaced by the observed ones . As a moment was especially expected on 02 , the maps were made especially accurate in this region ( Fig . 10 ) ...
... first model . The second one is that of the same 4000 factors after the first 119 are replaced by the observed ones . As a moment was especially expected on 02 , the maps were made especially accurate in this region ( Fig . 10 ) ...
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