Structural and Magnetic Phase Transitions in Minerals |
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Page 61
... order - disorder transi- tions in minerals generally involve cation ordering only , and nn cation - cation ... Magnetic Systems Examples of the quasibinary case that involve the intersection of a magnetic order- ing line with a ...
... order - disorder transi- tions in minerals generally involve cation ordering only , and nn cation - cation ... Magnetic Systems Examples of the quasibinary case that involve the intersection of a magnetic order- ing line with a ...
Page 164
... magnetic dipole interaction may determine the easy directions . The only magnetic phase transition we have mentioned so ... order parameter ( sublattice magnetization for an antiferromagnet ) . The table below sum- marizes when a phase ...
... magnetic dipole interaction may determine the easy directions . The only magnetic phase transition we have mentioned so ... order parameter ( sublattice magnetization for an antiferromagnet ) . The table below sum- marizes when a phase ...
Page 165
... order k ln ( 25 + 1 ) contributes to the enthalpy of iron minerals . This effect for min- erals with high magnetic ordering temperatures can be considerable . Finally , one can speculate about what influence magnetic order might have on ...
... order k ln ( 25 + 1 ) contributes to the enthalpy of iron minerals . This effect for min- erals with high magnetic ordering temperatures can be considerable . Finally , one can speculate about what influence magnetic order might have on ...
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 |
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