Structural and Magnetic Phase Transitions in Minerals |
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Page 52
... values for WM2 and WMI obtained by Davidson and Lindsley ( 1985 ) and by Sack ( 1980 ) and Kawasaki and Matsui ( 1983 ) . 12 12 13 31 Agreement among values for clinopyroxene and for olivine solution parameters is within the typical ...
... values for WM2 and WMI obtained by Davidson and Lindsley ( 1985 ) and by Sack ( 1980 ) and Kawasaki and Matsui ( 1983 ) . 12 12 13 31 Agreement among values for clinopyroxene and for olivine solution parameters is within the typical ...
Page 118
... Values for 10Dq obtained from the optical absorption spectra of sixfold coordi- nated Fe2 + in oxides and silicates are cited as being between 7,000 and 10,000 cm1 ( e.g. , Burns , 1970 ) . However , values for 10Dq obtained from the ...
... Values for 10Dq obtained from the optical absorption spectra of sixfold coordi- nated Fe2 + in oxides and silicates are cited as being between 7,000 and 10,000 cm1 ( e.g. , Burns , 1970 ) . However , values for 10Dq obtained from the ...
Page 202
... values of the spins are fixed at some arbitrary values < S > r . Hence , the energy of every spin i is only a function of S ,. The solution of these one - spin problems yields a value for every < S > T , and these are then used as the ...
... values of the spins are fixed at some arbitrary values < S > r . Hence , the energy of every spin i is only a function of S ,. The solution of these one - spin problems yields a value for every < S > T , and these are then used as the ...
Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
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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