Structural and Magnetic Phase Transitions in Minerals |
From inside the book
Results 1-3 of 9
Page 94
... lattice energy , Fth is the thermal contribution to the free energy , and V is the volume . The thermal contribution ... constant , k is Boltzmann's constant , and the v ; are phonon fre- quencies . The summation extends over all wave ...
... lattice energy , Fth is the thermal contribution to the free energy , and V is the volume . The thermal contribution ... constant , k is Boltzmann's constant , and the v ; are phonon fre- quencies . The summation extends over all wave ...
Page 99
... lattice becomes unstable as the critical transformations are approached , it ... parameters are given in Table 1 , along with the pressure derivatives of the ... constant ratios in Fig . 8. This behavior is in accord with earlier predic ...
... lattice becomes unstable as the critical transformations are approached , it ... parameters are given in Table 1 , along with the pressure derivatives of the ... constant ratios in Fig . 8. This behavior is in accord with earlier predic ...
Page 222
... lattice parameter c of polytypic phases 2H and 12R was followed as a function of temperature on a focusing high - temperature single - crystal camera ( Huber ) . The lattice parameters a and c were determined at room temperature using ...
... lattice parameter c of polytypic phases 2H and 12R was followed as a function of temperature on a focusing high - temperature single - crystal camera ( Huber ) . The lattice parameters a and c were determined at room temperature using ...
Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
Copyright | |
7 other sections not shown
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