Structural and Magnetic Phase Transitions in Minerals |
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Page 165
... field . 2. Magnetic neutron diffraction ( Bacon , 1982 ) . Neutron diffraction is the preferred technique for ... field interactions via the orbital contribution to the hyperfine field , and the elec- tric field gradient at the nucleus ...
... field . 2. Magnetic neutron diffraction ( Bacon , 1982 ) . Neutron diffraction is the preferred technique for ... field interactions via the orbital contribution to the hyperfine field , and the elec- tric field gradient at the nucleus ...
Page 171
... field ( = 0.5 T ) causes a metamagnetic transition to a bulk ferromagnetic state , which is smeared out in a powder sample . ( Compare Figs . 2 and 5b ; a field of 1 T at 4.2 K induces 20 times as much magnetization in minnesotaite as ...
... field ( = 0.5 T ) causes a metamagnetic transition to a bulk ferromagnetic state , which is smeared out in a powder sample . ( Compare Figs . 2 and 5b ; a field of 1 T at 4.2 K induces 20 times as much magnetization in minnesotaite as ...
Page 203
... field Hamil- tonian is considered . The matrices are then three times larger , and beside < S > T , < LI > also must be calculated . T We now discuss some interesting conclusions that have already been obtained from such simulations ...
... field Hamil- tonian is considered . The matrices are then three times larger , and beside < S > T , < LI > also must be calculated . T We now discuss some interesting conclusions that have already been obtained from such simulations ...
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