Identification of the symmetry of phonon modes in CsPbCl3 in phase IV by Raman and resonance-Raman scattering

Journal of Applied Physics - Tập 82 Số 11 - Trang 5391-5395 - 1997
Dana M. Calistru1, L. Mihuţ2, S. Lefrant3, I. Baltog2
1Institute of Ultrafast Spectroscopy and Lasers, New York State Center of Advanced Technology for Ultrafast Photonic Materials and Applications, Physics Dept., The City College and Graduate School of the City University of New York, 138 Street and Convent Ave., New York, New York 10031
2Institute of Atomic Physics, IFTM-Lab. 13, PO Box MG7, Bucharest-Magurele, 76900, Romania
3Institute des Materiaux de Nantes, Lab. de Physique Cristalline, 2 Rue de la Houssiniere F-44072 Nantes Cedex, France

Tóm tắt

The first- and second-order Raman phonon spectra of CsPbCl3 were measured in phase IV using Raman and resonance-Raman scattering. Twelve Raman active phonons were resolved at 32, 35.5, 42, 52, 72, 90, 110, 115, 121, 189, 200.5, and 375 cm−1 and correlated to the phonon spectrum of CsPbCl3 in phase I. The highest frequency longitudinal optical mode is 375 cm−1.

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Thông tin xuất bản

Journal of Applied Physics

Tập 82 Số 11

5391-5395

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