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 11
It is necessary , therefore , first to define the fundamental order parameters and
then to investigate their mutual coupling ( Imry , 1975 ; Gufan and Larin , 1980 ;
Salje and Devarajan , 1985 ) . In feldspars , symmetry - breaking processes occur
...
It is necessary , therefore , first to define the fundamental order parameters and
then to investigate their mutual coupling ( Imry , 1975 ; Gufan and Larin , 1980 ;
Salje and Devarajan , 1985 ) . In feldspars , symmetry - breaking processes occur
...
Page 11
Ca - Feldspar Pī with Tc = In anorthite , the coupling between the displacive order
parameter and the Al , Si ordering order parameter follows a different symmetry
pattern . The hypothetical Al , Si ordering phase transition takes place at high ...
Ca - Feldspar Pī with Tc = In anorthite , the coupling between the displacive order
parameter and the Al , Si ordering order parameter follows a different symmetry
pattern . The hypothetical Al , Si ordering phase transition takes place at high ...
Page 34
The predicted coupling between the a - ß soft mode and a transverse acoustic
mode is probably at the origin of the inc phase . 3. Although the inc phase exists
only within a temperature interval of 1.4 K , the high quality of quartz crystals
allows ...
The predicted coupling between the a - ß soft mode and a transverse acoustic
mode is probably at the origin of the inc phase . 3. Although the inc phase exists
only within a temperature interval of 1.4 K , the high quality of quartz crystals
allows ...
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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