Structural and Magnetic Phase Transitions in Minerals |
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Page 48
... fit the newer results . This model incorporates compositional depen- dence in WM2 ( as did that of Lindsley et al . ) to fit asymmetric compositions of coexisting Fe - free cpx ( Schweitzer , 1982 ) . Pressure dependence of WM2 is also ...
... fit the newer results . This model incorporates compositional depen- dence in WM2 ( as did that of Lindsley et al . ) to fit asymmetric compositions of coexisting Fe - free cpx ( Schweitzer , 1982 ) . Pressure dependence of WM2 is also ...
Page 80
... fit the order - disorder + phase equilibrium data set by a non- linear least - squares technique , and the TA is constrained to fit selected experimental data , as follows : T ( ° C ) 1200 C C1 + 1000 80 B.P. Burton and P.M. Davidson.
... fit the order - disorder + phase equilibrium data set by a non- linear least - squares technique , and the TA is constrained to fit selected experimental data , as follows : T ( ° C ) 1200 C C1 + 1000 80 B.P. Burton and P.M. Davidson.
Page 81
... fit to phase equilibrium data only . PA2 : ( Wier - 13.3 , Wira = -0.42547.51X2 ) ; first Wier and Wira were fit to data on AH ( X = 0.5,7 ) , then B / A was optimized with respect to phase equilibrium data . Note that the asymmetry ...
... fit to phase equilibrium data only . PA2 : ( Wier - 13.3 , Wira = -0.42547.51X2 ) ; first Wier and Wira were fit to data on AH ( X = 0.5,7 ) , then B / A was optimized with respect to phase equilibrium data . Note that the asymmetry ...
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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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