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 8
The lattice distortions , described by Q , are dynamically induced by phonon
processes with typical relaxation times of less than 10 - 10 s . The order
parameter Q can rapidly follow any change of external parameters , such as
temperature or ...
The lattice distortions , described by Q , are dynamically induced by phonon
processes with typical relaxation times of less than 10 - 10 s . The order
parameter Q can rapidly follow any change of external parameters , such as
temperature or ...
Page 151
The relaxation effect due to charge fluctuation between Fe2 + and Fe3 + ions in
the A sites causes line broadening , which cannot be described adequately by
Lorentzian line shapes . Most of the earlier studies suffer from this problem , since
...
The relaxation effect due to charge fluctuation between Fe2 + and Fe3 + ions in
the A sites causes line broadening , which cannot be described adequately by
Lorentzian line shapes . Most of the earlier studies suffer from this problem , since
...
Page 209
At liquid He temperatures , for instance , relaxation times of minutes or hours are
quite common . An additional classification is appropriate : ordinary and reentrant
spin glasses . In ordinary spin glasses no long - range order is established .
At liquid He temperatures , for instance , relaxation times of minutes or hours are
quite common . An additional classification is appropriate : ordinary and reentrant
spin glasses . In ordinary spin glasses no long - range order is established .
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Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 21 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 47 |
Multicritical Phase Relations in Minerals | 77 |
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 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 existence 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