• S L Chaplot

      Articles written in Pramana – Journal of Physics

    • Inelastic neutron scattering and lattice dynamics of minerals

      Narayani Choudhury S L Chaplot

      More Details Abstract Fulltext PDF

      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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