Structural and Magnetic Phase Transitions in MineralsThis volume in Advances in Physical Geochemistry presents the latest synthesis of theory and experimental data pertaining to structural and magnetic phase transitions in a variety of geochemically important minerals. The book is the first to cover the impact of this rapidly progressing area of solid state physics in earth sciences and reflects its growing significance for mineralogy and petrology. |
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Page 94
S. Ghose, J.M.D. Coey Ekhard K. H. Salje, E. Salje. where U ( X ) is the static
lattice energy , Fth is the thermal contribution to the free energy , and V is the
volume . The thermal contribution to the free energy is calculated in the
quasiharmonic ...
S. Ghose, J.M.D. Coey Ekhard K. H. Salje, E. Salje. where U ( X ) is the static
lattice energy , Fth is the thermal contribution to the free energy , and V is the
volume . The thermal contribution to the free energy is calculated in the
quasiharmonic ...
Page 114
The difference is the exchange stabilization energy Vex . The state with the
maximum spin will have the most parallel electrons and , hence , the greatest
exchange stabilization energy . Hund's rule can break down , however , if the
exchange ...
The difference is the exchange stabilization energy Vex . The state with the
maximum spin will have the most parallel electrons and , hence , the greatest
exchange stabilization energy . Hund's rule can break down , however , if the
exchange ...
Page 232
Temperature dependence of the elastic excess energy . experimental proof ,
other than our present results , of the fact that polytypic phases are stable phases
in a thermodynamic sense . The observed structural phase transition is related to
...
Temperature dependence of the elastic excess energy . experimental proof ,
other than our present results , of the fact that polytypic phases are stable phases
in a thermodynamic sense . The observed structural phase transition is related to
...
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Contents
Preface | 1 |
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Copyright | |
8 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 |
Common terms and phrases
antiferromagnetic appears applied approximation atoms axis Ballet behavior bond calculated cation Chem chemical cluster Coey components composition constant corresponding coupling critical crystal decreases density dependence described determined diffraction direction disordered Dolino effect electron energy equilibrium estimated et al exchange experimental experiments Fe2+ Fe3+ ferromagnetic field function Ghose give given heat ilvaite inc phase increases indicate interactions ions iron lattice layers Lindsley lower mantle magnetic magnetic order materials measurements Mineral mode Mössbauer natural neutron observed obtained occur octahedral olivines order parameter pairs perovskite phase diagrams phase transition Phys physical pigeonite polytypes positions possible potential predicted pressure properties pyroxenes quartz range respectively Salje sample shown shows silicates solid solution space group spin stability strain structure symmetry Table temperature theory thermodynamic tion transformation unit variation