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 222
The dielectric constants were measured with an HP 4192A bridge while heating the sample at a constant rate ... Calorimetry The heat capacity of Pbl single crystals was measured in the temperature range 323 to 493 K using a Perkin ...
The dielectric constants were measured with an HP 4192A bridge while heating the sample at a constant rate ... Calorimetry The heat capacity of Pbl single crystals was measured in the temperature range 323 to 493 K using a Perkin ...
Page 228
Temperature dependence of the real part of the dielectric constant at f Several heating ( 1,3 ) and cooling ( 2,4 ) runs are ... Latent Heat The structural phase transition 2H - 12R is achieved by a sequence of partial transformations .
Temperature dependence of the real part of the dielectric constant at f Several heating ( 1,3 ) and cooling ( 2,4 ) runs are ... Latent Heat The structural phase transition 2H - 12R is achieved by a sequence of partial transformations .
Page 229
2.5 2.0 HEAT FLOW ( mW ) 1.5 1.0 I 0.5 0.0 400 410 420 TEMPERATURE ( K ) Fig . 8. A DSC curve of the transformation 2H - 12R under overheating conditions . ing disorder . The contribution of the latent heat necessary for the formation ...
2.5 2.0 HEAT FLOW ( mW ) 1.5 1.0 I 0.5 0.0 400 410 420 TEMPERATURE ( K ) Fig . 8. A DSC curve of the transformation 2H - 12R under overheating conditions . ing disorder . The contribution of the latent heat necessary for the formation ...
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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