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Raman studies and optical properties of lead-bismuth metaborate glasses
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SYSNO ASEP 0324298 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Raman studies and optical properties of lead-bismuth metaborate glasses Title Ramanova studie a optické vlastnosti Pb-Bi metaborátových skel Author(s) Tichá, H. (CZ)
Knoblochová, K. (CZ)
Tichý, Ladislav (UMCH-V) RIDSource Title Journal of Optoelectronics and Advanced Materials. - : NATL INST OPTOELECTRONICS - ISSN 1454-4164
Roč. 10, č. 8 (2008), s. 2117-2122Number of pages 6 s. Language eng - English Country RO - Romania Keywords heavy metal oxide glasses Subject RIV CA - Inorganic Chemistry CEZ AV0Z40500505 - UMCH-V (2005-2011) UT WOS 000257962500048 Annotation Four (PbO)x(Bi2O3)0.5-x(B2O3)0.5 metaborate glasses, where x = 0.1, 0.2, 0.3 and 0.4 were prepared. Raman spectra indicated that substitution of PbO by Bi2O3 shifted the dynamical equilibrium between metaborate triangles and tetrahedra in direction of metaborate triangles formation. The optical gap (Eg) was found in the region 3.41 (x = 0.1) < Eg [eV] < 3.63 (x = 0.4) The non-linear refractive index (n2, [esu]) estimated from the optical gap values was found slightly increasing with Bi2O3 content from 5.35×10-11 to 5.91×10-11. Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2009
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