Structural and Magnetic Phase Transitions in Minerals |
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Page 11
... orientation of the strain ellipsoid does not change with respect to the crystallographic axes . Furthermore , the numerical value of £ 2 is very small and can be ignored . The direction of £ 2 is approximately [ 236 ] in Pl . The only ...
... orientation of the strain ellipsoid does not change with respect to the crystallographic axes . Furthermore , the numerical value of £ 2 is very small and can be ignored . The direction of £ 2 is approximately [ 236 ] in Pl . The only ...
Page 219
... orientation of the surface was ( 001 ) in 2H . The exposure time varied between 30 and 90 min . The long exposure times were necessary for the detection of traces of other polytypic phases that might have been formed during the ...
... orientation of the surface was ( 001 ) in 2H . The exposure time varied between 30 and 90 min . The long exposure times were necessary for the detection of traces of other polytypic phases that might have been formed during the ...
Page 235
... orientation of the I - Pb - I sandwich layers . This is illustrated graphically in Fig . 9. If we look at the projection of the layers along the hexagonal [ 100 ] axis , the I - Pb - I sandwiches can be characterized by the axes ...
... orientation of the I - Pb - I sandwich layers . This is illustrated graphically in Fig . 9. If we look at the projection of the layers along the hexagonal [ 100 ] axis , the I - Pb - I sandwiches can be characterized by the axes ...
Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
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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 |
Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Snippet view - 1988 |
Common terms and phrases
a-ẞ transition anisotropy ANNNI model antiferromagnetic approximation atoms axis Bachheimer Ballet behavior berlinite Bukowinski calculated canting Chem chemical Co₂SiO4 Coey components composition coupling crystal field crystal structure crystallographic Davidson decreases density Di-En disordered Dolino Earth Planet electron equilibrium experimental Fe² Fe2+ Fe2SiO4 Fe³ feldspar ferromagnetic free energy Geophys Ghose grunerite high pressure high-spin ilvaite inc phase incommensurate phase interactions ions Jeanloz Landau theory lattice layers Lindsley low temperatures lower mantle LS transition M2 sites magnetic order magnetic phase transitions magnetic properties magnetic structure Matsui measurements MgSiO3 Mineral Mn2SiO4 mode Mössbauer neutron diffraction observed octahedral olivines order parameter orthopyroxene orthorhombic pairs perovskite phase diagrams phase transition Phys polytypes polytypic phases predicted pyroxenes quartz Salje sample shown in Fig silicates SiO2 solid solution space group spin glass ẞ phase susceptibility symmetry temperature dependence thermal expansion thermodynamic tion transformation X-ray zero pressure