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 118
... 11,000 14,300 18,300 10,950 4,346 -3,654 Estimates from SCF - Xa - SW MO calculations 11,130 14,826 18,040 10,760 ... kJ / mol . b Calculated using B = 0.9 , B = 1058 , C = 3.7B . ī 2 value for B is 1058 cm-- ( Lever , 1968 ) .
... 11,000 14,300 18,300 10,950 4,346 -3,654 Estimates from SCF - Xa - SW MO calculations 11,130 14,826 18,040 10,760 ... kJ / mol . b Calculated using B = 0.9 , B = 1058 , C = 3.7B . ī 2 value for B is 1058 cm-- ( Lever , 1968 ) .
Page 119
Sphere radii used for ( Fe0 % ) ' - cluster molecular orbital calculation ( values given are in Ångstroms ) R ( Fe - O ) 2.160 2.050 1.950 ... 1976 ) , which seems to improve greatly the accuracy of the calculated orbital energies .
Sphere radii used for ( Fe0 % ) ' - cluster molecular orbital calculation ( values given are in Ångstroms ) R ( Fe - O ) 2.160 2.050 1.950 ... 1976 ) , which seems to improve greatly the accuracy of the calculated orbital energies .
Page 123
Calculation of Transition Depth in the Earth's Mantle We can relate the depth corresponding to a given pressure by using the ... The temperature at a given depth is calculated by using the estimated temperature and density at the core ...
Calculation of Transition Depth in the Earth's Mantle We can relate the depth corresponding to a given pressure by using the ... The temperature at a given depth is calculated by using the estimated temperature and density at the core ...
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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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Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Limited preview - 2012 |
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 structure symmetry Table temperature theory thermodynamic tion transformation unit variation