Inelastic neutron scattering and lattice dynamics of minerals |
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Authors: | Narayani Choudhury S L Chaplot |
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Institution: | (1) Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India |
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Abstract: | We review current research on minerals using inelastic neutron scattering and lattice dynamics calculations. Inelastic neutron
scattering studies in combination with first principles and atomistic calculations provide a detailed understanding of the
phonon dispersion relations, density of states and their manifestations in various thermodynamic properties. The role of theoretical
lattice dynamics calculations in the planning, interpretation and analysis of neutron experiments are discussed. These studies
provide important insights in understanding various anomalous behaviour including pressure-induced amorphization, phonon and
elastic instabilities, prediction of novel high pressure phase transitions, high pressure-temperature melting, etc.
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Keywords: | Inelastic neutron scattering lattice dynamics thermodynamic properties ab initio calculations |
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