Structural and Magnetic Phase Transitions in Minerals |
From inside the book
Results 1-3 of 36
Page 115
... ( corresponding to the 2t2g spin - down orbital ) is partially occupied , and hence they should be metals according to the Bloch - Wilson picture . The effect of electron correlation ( interelectronic repulsion ) is to localize the Fe2 + ...
... ( corresponding to the 2t2g spin - down orbital ) is partially occupied , and hence they should be metals according to the Bloch - Wilson picture . The effect of electron correlation ( interelectronic repulsion ) is to localize the Fe2 + ...
Page 195
... corresponds to equal moments at sites 1 and 2 that are parallel to the crystallographic axis a , and equal and opposite moments at sites 3 and 4. Just as the three G modes can be thought of as corresponding to a sequence ++ , the A and ...
... corresponds to equal moments at sites 1 and 2 that are parallel to the crystallographic axis a , and equal and opposite moments at sites 3 and 4. Just as the three G modes can be thought of as corresponding to a sequence ++ , the A and ...
Page 201
... correspond to the term on the left in formula ( 1 ) ( exchange ) with values of < S5 > / < S , > equal to 1 , 1.5 , and 2 ... corresponding ( Fi‚F ; ) mode as fol- lows . Its decrease , when the temperature decreases below 14 K , can be ...
... correspond to the term on the left in formula ( 1 ) ( exchange ) with values of < S5 > / < S , > equal to 1 , 1.5 , and 2 ... corresponding ( Fi‚F ; ) mode as fol- lows . Its decrease , when the temperature decreases below 14 K , can be ...
Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
Copyright | |
7 other sections not shown
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