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Lattice Dynamics of Group IV Elements with the Local Heine‐Abarenkov Model Potential
Author(s) -
Soma T.
Publication year - 1978
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.2220870140
Subject(s) - lattice (music) , condensed matter physics , physics , phonon , neutron scattering , scattering , empty lattice approximation , statistical physics , particle in a one dimensional lattice , mathematical physics , quantum mechanics , lattice field theory , acoustics , gauge theory
The lattice dynamics of group IV elements is investigated using the local Heine‐Abarenkov model potential. The phonon curves obtained for Si, Ge, and α‐Sn are in good agreement with the observed data of the neutron scattering, contrary to those using the Ashcroft type.