About: Optical band gap and Raman spectra in some (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) glasses

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About: Optical band gap and Raman spectra in some (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) glasses Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The glasses representing (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) systems were prepared. The dilatometric glass-transition temperatures of examined glass samples were found in the region 383-434 degrees C, the coefficient of thermal expansion varied from 12 to 16 ppm/degrees C and the density ranged from 6.30(2) to 6.80(8) g/cm(3). From the optical transmission measurements of thin glassy bulk samples prepared by a glass blowing, the optical gap values were found in the narrow region 3.21-3.36 eV. For the temperature interval 300-480 K, the values of the temperature coefficient of the optical band gap varied from 3.7 x 10(-4) to 5.24 x 10(-4) eV/K. It is suggested that Raman feature observed at around 350 cm(-1) can be assigned to an overlap of Raman bands attributed to WO6 corner shared octahedra and to the following three atomic linkages: Bi-O-Te, Pb-O-Te and W-O-Te. (C) 2009 Elsevier B.V. All rights reserved. The glasses representing (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) systems were prepared. The dilatometric glass-transition temperatures of examined glass samples were found in the region 383-434 degrees C, the coefficient of thermal expansion varied from 12 to 16 ppm/degrees C and the density ranged from 6.30(2) to 6.80(8) g/cm(3). From the optical transmission measurements of thin glassy bulk samples prepared by a glass blowing, the optical gap values were found in the narrow region 3.21-3.36 eV. For the temperature interval 300-480 K, the values of the temperature coefficient of the optical band gap varied from 3.7 x 10(-4) to 5.24 x 10(-4) eV/K. It is suggested that Raman feature observed at around 350 cm(-1) can be assigned to an overlap of Raman bands attributed to WO6 corner shared octahedra and to the following three atomic linkages: Bi-O-Te, Pb-O-Te and W-O-Te. (C) 2009 Elsevier B.V. All rights reserved. (en)
Title	Optical band gap and Raman spectra in some (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) glasses Optical band gap and Raman spectra in some (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) glasses (en)
skos:prefLabel	Optical band gap and Raman spectra in some (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) glasses Optical band gap and Raman spectra in some (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) glasses (en)
skos:notation	RIV/00216275:25310/09:00008639!RIV12-MSM-25310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z40500505), Z(MSM0021627501)
http://linked.open...iv/cisloPeriodika	45-47
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Tichá, Helena
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	331804
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/09:00008639
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Raman spectroscopy; Optical spectroscopy; Heavy-metal oxides; Raman scattering (en)
http://linked.open.../riv/klicoveSlovo	Heavy-metal oxides Raman scattering Raman spectroscopy Optical spectroscopy
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[87DF8A9A42D2]
http://linked.open...i/riv/nazevZdroje	Journal of Non-Crystalline Solids
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	355
http://linked.open...iv/tvurceVysledku	Tichý, Ladislav Tichá, Helena Ožďanová, Jitka
http://linked.open...ain/vavai/riv/wos	000271361300021
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie Aimed preparation of special compounds and materials and investigation of their physical and chemical properties and supramolecular structures
issn	0022-3093
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jnoncrysol.2009.07.004
http://localhost/t...ganizacniJednotka	25310
is http://linked.open...avai/riv/vysledek of	Optical band gap and Raman spectra in some (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) glasses Optical band gap and Raman spectra in some (Bi2O3)(x)(WO3)(y)(TeO2)(100-x-y) and (PbO)(x)(WO3)(y)(TeO2)(100-x-y) glasses

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