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23 April 2024 |
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Phonon Density of States and Specific Heat of Forsterite, Mg2SiO4 | | K R Rao
; S L Chaplot
; Narayani Choudhury
; Subrata Ghose
; D L Price
; | | Date: |
3 Apr 1987 | | Journal: | Science, 236 (4797), 64-65 | | Abstract: | The phonon density of states of the geophysically important mineral forsterite has been calculated with a rigid-ion model, which gives good agreement with an experimental measurement by inelastic neutron scattering. The density of states has been used to calculate the specific heat as a function of temperature, the results of which are in excellent agreement with calorimetrically measured values. The rigid-ion model takes account of the interatomic interactions and normal modes of vibration on a detailed microscopic basis, and is therefore more realistic than the Debye and other empirical models used previously. | | Source: | PubMed, pmid17759206 doi: 10.1126/science.236.4797.64 | | Services: | Forum | Review | Favorites | |
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