Structural and Magnetic Phase Transitions in Minerals |
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Page 101
... density at pressures and densities spanning those of the lower mantle . The computed equation of state is shown in Fig . 9 , along with available room tem- perature data . The computed zero pressure density is too low . However , as ...
... density at pressures and densities spanning those of the lower mantle . The computed equation of state is shown in Fig . 9 , along with available room tem- perature data . The computed zero pressure density is too low . However , as ...
Page 107
... density and the adiabatic compres- sibility . However , by using theoretical estimates in place of the missing data , it is possible to compute reference profiles of the density and seismic parameter of vari- ous combinations of ...
... density and the adiabatic compres- sibility . However , by using theoretical estimates in place of the missing data , it is possible to compute reference profiles of the density and seismic parameter of vari- ous combinations of ...
Page 108
... DENSITY ( gm / cc ) Ko ' + 0.3 PEROVSKITE ( 3100 K ) XFe + 0.02 1.2 a 110 8s + 1 108 UPPER MANTLE ( 2450 K ) 106 104 102 5.15 100 GPa I 5.19 5.23 5.27 5.31 5.35 DENSITY ( gm / cc ) Fig . 14. Seismic parameter and density for model ...
... DENSITY ( gm / cc ) Ko ' + 0.3 PEROVSKITE ( 3100 K ) XFe + 0.02 1.2 a 110 8s + 1 108 UPPER MANTLE ( 2450 K ) 106 104 102 5.15 100 GPa I 5.19 5.23 5.27 5.31 5.35 DENSITY ( gm / cc ) Fig . 14. Seismic parameter and density for model ...
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