Raman scattering of the ordered-vacancy compound CdGa2Se4
- 14 September 1979
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 12 (17) , 3603-3614
- https://doi.org/10.1088/0022-3719/12/17/030
Abstract
The first-order Raman spectrum of the ordered-vacancy semiconducting compound CdGa2Se4 is described for the first time. The symmetries of the k=0 vibrational modes are assigned through a polarisation angular analysis of the spectra. The longitudinal and transverse frequencies of the polar B type modes have been determined. The results fit the hypothesis of a single formula unit, i.e. seven atoms per unit cell.Keywords
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