Add time:08/11/2019         Source:sciencedirect.com

The polarized infrared absorption due to the fundamental and 2nd-harmonic excitation of the localized vibration of Be in CdS and CdSe is observed. The splitting and the polarization property are in accord with C3ν point symmetry of Be impurity. The anharmonic potential coefficients are obtained up to the 3rd order. The Raman scattering from Be localized mode is also measured in the case of CdS: Be.

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