Phonon Dispersion in SiC and ZnS Polytypes | Zendy

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Phonon Dispersion in SiC and ZnS Polytypes

Author(s) -

Pandey B. P.

Publication year - 1974

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220650229

Subject(s) - phonon , dispersion (optics) , condensed matter physics , force constant , range (aeronautics) , dispersion relation , materials science , constant (computer programming) , physics , optics , quantum mechanics , composite material , molecule , computer science , programming language

Phonon dispersion relations in [111] direction for SiC and ZnS polytypes have been computed on the basis of a two‐neighbour short‐range force constant model. Satisfactory agreement is observed between theory and experiment. This agreement shows the important fact that a short range force system is operative in these polytypes, the forces up to second neighbours are the most dominant.

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