Resonance effects in the Raman spectrum of CdGa 2 Se 4 | Zendy

Parisini A. | Zendy; Lottici P. P. | Zendy; Razzetti C. | Zendy; Bacewicz R. | Zendy

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Resonance effects in the Raman spectrum of CdGa 2 Se 4

Author(s) -

Parisini A.,

Lottici P. P.,

Razzetti C.,

Bacewicz R.

Publication year - 1986

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221340110

Subject(s) - sphalerite , raman spectroscopy , resonance (particle physics) , raman scattering , phonon , chalcopyrite , chemistry , condensed matter physics , atomic physics , mineralogy , physics , optics , pyrite , copper , organic chemistry

Resonance effects are observed in the Raman cross‐section of the defect chalcopyrite CdGa 2 Se 4 . The results indicate a strong resonance of the highest frequency E(LO) sphalerite‐like phonons in forbidden geometry, similar to the behaviour observed for zincblende‐like crystals. The forbidden scattering may be described through a Pröhlich intraband mechanism at the fundamental direct gap.

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