
Molecular vibrations of the layered-perovskite cobalt oxides characterized by infrared and Raman spectroscopies coupled with crystal structure refinement
Keywords: D. خواص نوری; 61.10.Nz; 78.30.Fs; 63.20.Dj; 65.40.DeC. Crystal structure and symmetry; D. Optical properties; E. Light absorption and reflection