Structural and Magnetic Phase Transitions in Minerals |
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Page 188
... Fe2SiO4 and Co2SiO4 . In these two compounds is approxi- mately constant , lying between 25 ° and 30 ° . As for 0 , it is constant in Co2SiO4 , but in Fe2SiO4 it decreases with increasing temperature . In both compounds the canting ...
... Fe2SiO4 and Co2SiO4 . In these two compounds is approxi- mately constant , lying between 25 ° and 30 ° . As for 0 , it is constant in Co2SiO4 , but in Fe2SiO4 it decreases with increasing temperature . In both compounds the canting ...
Page 204
... Fe2SiO4 . To be compared to Figs . 8b , 9b , and 4b and to the specific heat measurements by Robie et al . ( 1982a ) . = 0 ) and Fe2SiO4 ( x = 1 ) , a shown in Table 6. As in the end members Mn2SiO4 ( x ( G , G g ) mode dominates every ...
... Fe2SiO4 . To be compared to Figs . 8b , 9b , and 4b and to the specific heat measurements by Robie et al . ( 1982a ) . = 0 ) and Fe2SiO4 ( x = 1 ) , a shown in Table 6. As in the end members Mn2SiO4 ( x ( G , G g ) mode dominates every ...
Page 206
... Fe2SiO4 and Mn2SiO4 . Abstr . Am . Crystallogr . Assoc . , Annu . Meeting , Gatlinburg , p . 47 . Fujino , K. , Sasaki , S. , Takeuchi , Y. , and Sadanaga , R. ( 1981 ) X - ray determination of electron distributions in forsterite ...
... Fe2SiO4 and Mn2SiO4 . Abstr . Am . Crystallogr . Assoc . , Annu . Meeting , Gatlinburg , p . 47 . Fujino , K. , Sasaki , S. , Takeuchi , Y. , and Sadanaga , R. ( 1981 ) X - ray determination of electron distributions in forsterite ...
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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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