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The lattice dynamics of 12 chalcopyrite type compounds CuAlS2, CuGaS2, CuInS2, AgGaS2, AgGaSe2, AgInSe2, ZnSiP2, ZnGeP2, CdSiP2, CdGeP2, CdSnP2, and CdGeAs2 have been investigated based on a 5‐parameter model involving two short range stretching force constants, an interaction constant, and the effective dynamic charges of the cations. The calculated force constants, normal co‐ordinates and potential energy distributions are compiled and discussed. 相似文献