Structural and Magnetic Phase Transitions in MineralsThis volume in Advances in Physical Geochemistry presents the latest synthesis of theory and experimental data pertaining to structural and magnetic phase transitions in a variety of geochemically important minerals. The book is the first to cover the impact of this rapidly progressing area of solid state physics in earth sciences and reflects its growing significance for mineralogy and petrology. |
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Page 25
However , diffuse streaks can also be produced by low - frequency vibrational
modes , such as a transitional soft mode . The soft mode of the a - ß transition
was clearly observed in the a phase by Raman light scattering , as early as 1940
by ...
However , diffuse streaks can also be produced by low - frequency vibrational
modes , such as a transitional soft mode . The soft mode of the a - ß transition
was clearly observed in the a phase by Raman light scattering , as early as 1940
by ...
Page 32
Coupling scheme between the optical soft mode , which corresponds to the order
parameter n of the a - ß transition and ... The frequency - wavevector w ( q )
dispersion curves are shown as full lines for coupled modes and as dashed lines
for ...
Coupling scheme between the optical soft mode , which corresponds to the order
parameter n of the a - ß transition and ... The frequency - wavevector w ( q )
dispersion curves are shown as full lines for coupled modes and as dashed lines
for ...
Page 33
At a high temperature ( 1150 K ) the soft - mode branch appears as a well -
defined excitation , confirming the displacive character of the transition .
Experimental results agree well with the predictions of the theoretical model . An
important ...
At a high temperature ( 1150 K ) the soft - mode branch appears as a well -
defined excitation , confirming the displacive character of the transition .
Experimental results agree well with the predictions of the theoretical model . An
important ...
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Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 21 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 47 |
Multicritical Phase Relations in Minerals | 77 |
Copyright | |
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Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Limited preview - 2012 |
Common terms and phrases
antiferromagnetic appears applied approximation atoms axis Ballet behavior bond calculated cation Chem chemical Coey components composition constant corresponding coupling critical crystal decreases density dependence described determined diffraction direction disordered Dolino effect electron energy equilibrium estimated et al exchange existence experimental experiments Fe2+ Fe3+ ferromagnetic field function Ghose give given heat ilvaite inc phase increases indicate interactions ions iron lattice layers Lindsley lower mantle magnetic magnetic order materials measurements Mineral mode Mössbauer natural neutron observed obtained occur octahedral olivines order parameter pairs perovskite phase diagrams phase transition Phys physical pigeonite polytypes positions possible potential predicted pressure properties pyroxenes quartz range respectively Salje sample shown shows silicates solid solution space group spin stability structure symmetry Table temperature theory thermodynamic tion transformation unit variation
Bibliographic information
| Title | Structural and Magnetic Phase Transitions in Minerals Volume 7 of Advances in Physical Geochemistry |
| Editors | S. Ghose, J.M.D. Coey, E. Salje |
| Contributors | S. Ghose, O. Ballet, T. Brückel, J.M.D. Coey, M.S.T. Bukowinski, E. Salje, B.P. Burton, P.M. Davidson, G. Dolino, H. Fuess, W. Lottermoser, M. Matsui, Y. Matsui, B. Palosz, W. Prandl, D.M. Sherman, G.H. Wolf, B. Wruck |
| Edition | illustrated |
| Publisher | Springer New York, 1988 |
| Original from | the University of California |
| Digitized | 11 Apr 2008 |
| ISBN | 0387967109, 9780387967103 |
| Length | 244 pages |
| Subjects | › › Science / Chemistry / Inorganic Science / Chemistry / Physical & Theoretical Science / Earth Sciences / Mineralogy Science / Physics / Condensed Matter Science / Physics / Crystallography |
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