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A MREI Model for the Zincblende‐Like Phonons in the Mixed Defect Chalcopyrite ZnGa 2 (S x Se 1– x ) 4
Author(s) -
Lottici P. P.
Publication year - 1988
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.2221460211
Subject(s) - chalcopyrite , phonon , materials science , mineralogy , solid solution , polar , condensed matter physics , crystallography , chemistry , physics , copper , metallurgy , astronomy
Results are given on the compositional dependence of the optical phonon frequencies in the pseudoternary defect chalcopyrite mixed crystals ZnGa 2 (S x Se 1– x ) 4 over all the composition range. The compositional variation of the TO and LO highest frequency polar zincblende‐like phonons is explained in terms of a MREI (modified random element isodisplacement) model.
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