Structural and Magnetic Phase Transitions in Minerals |
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Page 64
... applied magnetic field H : a λ - line occurs only for the case H = 0 ; for H ± 0 , however , the transition is smeared out and it no longer makes sense to draw a line . Therefore , continuously varying H generates an infinite set of ...
... applied magnetic field H : a λ - line occurs only for the case H = 0 ; for H ± 0 , however , the transition is smeared out and it no longer makes sense to draw a line . Therefore , continuously varying H generates an infinite set of ...
Page 164
... applied field . Briefly , these include spin reorientation transitions , where the magnetic structure begins to change abruptly at some temperature below Te , and spin freezing transitions in certain atomically dis- ordered structures ...
... applied field . Briefly , these include spin reorientation transitions , where the magnetic structure begins to change abruptly at some temperature below Te , and spin freezing transitions in certain atomically dis- ordered structures ...
Page 203
... applied along a . Therefore , since in field - free space the single - ion anistropies overcome the dipolar interactions in favoring the a direction , it is unlikely that the field applied along a would provoke the rotation . Actually ...
... applied along a . Therefore , since in field - free space the single - ion anistropies overcome the dipolar interactions in favoring the a direction , it is unlikely that the field applied along a would provoke the rotation . Actually ...
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