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 234
Note that the new polytype appears as an intermediate phase on the temperature
scale with a stability field between those of the basic polytypes. The physical
nature of 8U can vary for different polytypic materials, as does the nonideality of ...
Note that the new polytype appears as an intermediate phase on the temperature
scale with a stability field between those of the basic polytypes. The physical
nature of 8U can vary for different polytypic materials, as does the nonideality of ...
Page 236
The basic and higher polytypes are < 00 >, < l > and <l2>, < 14>, < 15>, <2>, <23
>,etc., respectively. A further basic polytype consists of a fully disordered spin
system, which we call the paraphase. The striking feature of the description of the
...
The basic and higher polytypes are < 00 >, < l > and <l2>, < 14>, < 15>, <2>, <23
>,etc., respectively. A further basic polytype consists of a fully disordered spin
system, which we call the paraphase. The striking feature of the description of the
...
Page 237
Polytypes of the sequences 2(12)'<> and <2(12)'< 2(i2)'<-1>, k€N are stable
along A and <(12)'< 112> along B for J2/J, < 0. For J2/J, < 0, <(12)'<112(12)*~'
112/R is also stable. The arrows indicate the reversible phase transition < oo > -
< 1 > ...
Polytypes of the sequences 2(12)'<> and <2(12)'< 2(i2)'<-1>, k€N are stable
along A and <(12)'< 112> along B for J2/J, < 0. For J2/J, < 0, <(12)'<112(12)*~'
112/R is also stable. The arrows indicate the reversible phase transition < oo > -
< 1 > ...
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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 |
Common terms and phrases
anisotropy ANNNI model antiferromagnetic approximation atoms axis Bachheimer Ballet behavior berlinite Bukowinski calculated canting cation distributions Chem chemical cluster Coey composition configuration coupling crystal field crystal structure crystallographic decreases defined density disordered Dolino Earth Planet electron entropy equilibrium experimental Fe2SiO feldspar ferromagnetic first fit free energy Geophys Ghose grunerite 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 MgSiO Mineral Mn2SiO4 mode Mossbauer neutron diffraction observed octahedral olivines orbital order parameter orthopyroxene orthorhombic pairs Pbl2 perovskite phase diagrams phase transition Phys polytypes polytypic phases predicted pyroxenes quartz reflections Salje sample shown in Fig silicates SiO2 solid solutions specific heat spin glass susceptibility symmetry temperature dependence thermal expansion thermodynamic tion transformation X-ray zero pressure
Bibliographic information
| Title | Structural and magnetic phase transitions in minerals Volume 7 of Advances in physical geochemistry Volume 7 of Computers and Medicine |
| Authors | Subrata Ghose, J. M. D. Coey, Ekhard K. H. Salje |
| Editors | Subrata Ghose, J. M. D. Coey |
| Edition | illustrated |
| Publisher | Springer-Verlag, 1988 |
| ISBN | 0387967109, 9780387967103 |
| Length | 244 pages |
| Subjects | › › Mineralogy Mineralogy - Magnetic properties Mineralogy/ Magnetic properties Minerals Nature / Rocks & Minerals Phase rule and equilibrium Science / Chemistry / Inorganic Science / Chemistry / Physical & Theoretical Science / Crystallography Science / Earth Sciences / General Science / Earth Sciences / Mineralogy Science / Physics |
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