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 103
Estimated experimental errors in last digit are given in parentheses . Because of
slight distortions in the SiOo octahedra , the definition of the angles is somewhat
ambiguous . Numbers given here were obtained from cos ( 0 ) alb , cos ( Q ) ...
Estimated experimental errors in last digit are given in parentheses . Because of
slight distortions in the SiOo octahedra , the definition of the angles is somewhat
ambiguous . Numbers given here were obtained from cos ( 0 ) alb , cos ( Q ) ...
Page 119
Sphere radii used for ( Fe06 ) - cluster molecular orbital calculation ( values given
are in Ångstroms ) R ( Fe - 0 ) 2.160 2.050 1.950 1.850 Outer sphere Fe sphere O
sphere 3.480 1.256 1.320 3.290 1.186 1.245 3.135 1.277 1.185 2.974 1.070 ...
Sphere radii used for ( Fe06 ) - cluster molecular orbital calculation ( values given
are in Ångstroms ) R ( Fe - 0 ) 2.160 2.050 1.950 1.850 Outer sphere Fe sphere O
sphere 3.480 1.256 1.320 3.290 1.186 1.245 3.135 1.277 1.185 2.974 1.070 ...
Page 205
Distribution of Mn2 + and Fe2 + among M1 and M2 , given by neutron diffraction .
of the same antiferromagnetic type , mainly because of the negative values of the
exchange integrals ( J35 and J57 ) between 3d cations occupying corner ...
Distribution of Mn2 + and Fe2 + among M1 and M2 , given by neutron diffraction .
of the same antiferromagnetic type , mainly because of the negative values of the
exchange integrals ( J35 and J57 ) between 3d cations occupying corner ...
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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