Laser excited Raman spectrum of ammonium sulfate single crystal | Zendy

Venkateswarlu P. | Zendy; Bist H. D. | Zendy; Jain Y. S. | Zendy

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Laser excited Raman spectrum of ammonium sulfate single crystal

Author(s) -

Venkateswarlu P.,

Bist H. D.,

Jain Y. S.

Publication year - 1975

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250030205

Subject(s) - raman spectroscopy , excited state , excitation , laser , ion , chemistry , crystal (programming language) , phonon , lattice (music) , single crystal , spectral line , polarization (electrochemistry) , crystal structure , molecular physics , raman scattering , analytical chemistry (journal) , atomic physics , materials science , crystallography , optics , condensed matter physics , physics , organic chemistry , computer science , programming language , quantum mechanics , astronomy , chromatography , acoustics

The Raman spectra of (NH 4 ) 2 SO 4 single crystals have been recorded and measured using an Ar + laser as a scource of excitation. The polarization behaviour of the Raman lines in different crystal orientations has been studied. The observed shifts in the range 15–3400 cm −1 have been attributed to the phonons of different symmetry species originating from the internal modes of NH 4 +and SO 4 2−ions and the lattice modes calculated from group theoretical considerations.

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