Enhancement of Raman Cross Section in CdS due to Resonant Absorption
- 4 July 1966
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 17 (1), 10-12
- https://doi.org/10.1103/PhysRevLett.17.10
Abstract
We have observed marked resonant enhancement of the Raman cross section for phonons in CdS at frequencies near the absorption edge. The data, taken at 77°K, can be explained on the basis of a simplified model in which the absorption band is replaced by a single effective frequency coinciding with the band edge to within one percent. The experimental technique involved collecting Raman radiation scattered from the surface of the crystal.Keywords
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