Structural and Magnetic Phase Transitions in Minerals |
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Page 14
... dependence of Q for various values of Qod is displayed in Fig . 6. A structural phase transition occurs only for Qod = 0 . The critical exponent was determined by following the temperature dependence of Q using hard - mode Raman ...
... dependence of Q for various values of Qod is displayed in Fig . 6. A structural phase transition occurs only for Qod = 0 . The critical exponent was determined by following the temperature dependence of Q using hard - mode Raman ...
Page 46
... dependence because G is always minimized at internal equilibrium regardless of the model on Ɛj , used : dGslx , y , P , T = Gss dS + Gs¿1 dɛj - dS / dɛ¡ = -GSE / GSS- Solution calorimetry experiments provide values for Hmix at constant ...
... dependence because G is always minimized at internal equilibrium regardless of the model on Ɛj , used : dGslx , y , P , T = Gss dS + Gs¿1 dɛj - dS / dɛ¡ = -GSE / GSS- Solution calorimetry experiments provide values for Hmix at constant ...
Page 228
... dependence of the real part of the dielectric constant at f = 1 MHz . Several heating ( 1,3 ) and cooling ( 2,4 ) runs are shown . Heating rate was 10 K / h . The temperature dependence of the intrinsic dielectric constant is shown in ...
... dependence of the real part of the dielectric constant at f = 1 MHz . Several heating ( 1,3 ) and cooling ( 2,4 ) runs are shown . Heating rate was 10 K / h . The temperature dependence of the intrinsic dielectric constant is shown in ...
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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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