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Atomic chains and lattice vibration characteristics in A2IIIB3VI compounds with tetrahedral coordination of atoms

Hasanlı, Nızamı
Tagirov, V.I.
Khomutova, M.D.
On the basis of the presence of atomic chains in A2 IIIB3 VI compounds having zincblende defect structure, a linear-chain model is used to calculate the lattice vibration frequencies. The agreement of the calculated and experimental frequencies is an indication of the applicability of the model and enables one to determine the motion of various atoms during the corresponding vibrations.