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Resolved E-symmetry zone-centre phonons in LiTaO.sub.3./sub. and LiNbO.sub.3./sub..
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SYSNO ASEP 0378669 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Resolved E-symmetry zone-centre phonons in LiTaO3 and LiNbO3. Author(s) Margueron, S. (FR)
Bartasyte, A. (GB)
Glazier, A. M. (GB)
Simon, Elizabeth (FZU-D)
Hlinka, Jiří (FZU-D) RID, ORCID
Gregora, Ivan (FZU-D) RID, ORCID
Gleize, J. (FR)Source Title Journal of Applied Physics. - : AIP Publishing - ISSN 0021-8979
Roč. 111, č. 10 (2012), "104105-1"-"104105-6"Number of pages 6 s. Action International Symposium on Integrated Functionalities (ISIF) /22./ Event date 13.06.2010-16.06.2010 VEvent location San Juan, Puerto Rico Country US - United States Event type WRD Language eng - English Country US - United States Keywords phonons ; infrared and Raman spectroscopy ; lithium niobate ; lithium tantalate ; ferroelectric Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects KAN301370701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GAP204/10/0616 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000305363700112 DOI 10.1063/1.4716001 Annotation E-symmetry optical phonons at the gamma point of LiNbO3 were experimentally resolved in spectra measured by infrared and Raman spectroscopy. For this purpose, congruent and nearly stoichiometric crystals of LiNbO3 and LiTaO3, and mixed LiNb1-xTaxO3, crystals were studied. The results show that some of the E modes have weak intensities in Raman or infrared spectra. Thus the complete assignment of E-symmetry modes has been achieved by comparing Raman and infrared data. In addition, this assignment has been confirmed by Raman measurements at low temperatures. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2013
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