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phys. stat. sol. (c), 11(1), p. 3166-3169

DOI: 10.1002/pssc.200405301

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Raman scattering in chalcogenide-based ferroelectrics: From bulk to nanoscale

Journal article published in 2004 by A. V. Gomonnai, Y.-U. M. Azhniuk, Y.-U. M. Vysochanskii, I. P. Prits, I. M. Voynarovych ORCID, M. M. Maior, V. V. Lopushansky
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Evolution of Raman spectra of Sn2P2S6 and SbSI ferroelectrics is traced with the size reduction from bulk to nanometric crystals by milling. The role of confinement-related selection rules relaxation and surface phonon modes in the observed Ranam line broadening and asymmetry is discussed. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)