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
where U ( X ) is the static lattice energy , Fih 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 approximation Fth ( T , X ) = Echvi ( X ) + KT ln (
1 ...
where U ( X ) is the static lattice energy , Fih 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 approximation Fth ( T , X ) = Echvi ( X ) + KT ln (
1 ...
Page 117
Internal Energy Change 5T28 and ' A 18 To first order , the internal energy
change AU for the HS – LS transition is simply the energy difference between the
5 states of the Fe2 + cation ( ST28 is the spectroscopic state resulting from the
high ...
Internal Energy Change 5T28 and ' A 18 To first order , the internal energy
change AU for the HS – LS transition is simply the energy difference between the
5 states of the Fe2 + cation ( ST28 is the spectroscopic state resulting from the
high ...
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
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 |
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 lower mantle magnetic magnetic order magnetic structure 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 structure symmetry Table temperature theory thermodynamic tion transformation unit variation