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Lattice Dynamics of Tetrahedral Compounds with the Local Heine‐Abarenkov Model Potential
Author(s) -
Kagaya H.matsuo,
Soma T.
Publication year - 1984
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.2221240104
Subject(s) - tetrahedron , lattice (music) , condensed matter physics , scattering , interatomic potential , chemistry , crystallography , neutron scattering , materials science , molecular physics , physics , molecular dynamics , optics , computational chemistry , acoustics
Abstract The lattice dynamics of III—V and II—VI tetrahedral compounds is investigated using a recently presented binding force and the local Heine‐Abarenkov model potential. Numerical calculations on the phonondispersion curves are performed for GaP, GaAs, GaSb, InP, InAs, InSb, ZnS, ZnSe, ZnTe, and CdTe. The resulting ones especially for TA modes are in good agreement with the observed data of the neutron scattering, contrary to those using the Ashcroft‐type potential.