About: Devitrification kinetics of Sb2O3-PbI2 glasses

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Devitrification kinetics of Sb2O3-PbI2 glasses. Devitrification of oxyhalide glasses in the (1-x)Sb2O3-xPbI(2) system has been investigated by Differential Scanning Calorimetry (DSC). A single exotherm is observed in the DSC scan beyond the glass transition temperature Tg, which ensures the applicability of the Mehl-Johnson-Avrami-Kolmogorov relations. Non-isothermal measurements give access to the values of Avrami exponent n and activation energy E. E lies between 300 to 600kJ/mol and increases as lead iodide content increases. Exponent n also increases with PbI2 concentration: it ranges from 2.8 to 3.8. These results are consistent with the stability factors based on characteristic temperatures and confirm that the 90% Sb2O3 glass is the most stable. Crystal growth mechanism is discussed in relation to SEM observations. Devitrification kinetics of Sb2O3-PbI2 glasses. Devitrification of oxyhalide glasses in the (1-x)Sb2O3-xPbI(2) system has been investigated by Differential Scanning Calorimetry (DSC). A single exotherm is observed in the DSC scan beyond the glass transition temperature Tg, which ensures the applicability of the Mehl-Johnson-Avrami-Kolmogorov relations. Non-isothermal measurements give access to the values of Avrami exponent n and activation energy E. E lies between 300 to 600kJ/mol and increases as lead iodide content increases. Exponent n also increases with PbI2 concentration: it ranges from 2.8 to 3.8. These results are consistent with the stability factors based on characteristic temperatures and confirm that the 90% Sb2O3 glass is the most stable. Crystal growth mechanism is discussed in relation to SEM observations. (en)
Title	Devitrification kinetics of Sb2O3-PbI2 glasses Devitrification kinetics of Sb2O3-PbI2 glasses (en)
skos:prefLabel	Devitrification kinetics of Sb2O3-PbI2 glasses Devitrification kinetics of Sb2O3-PbI2 glasses (en)
skos:notation	RIV/61388980:_____/09:00340423!RIV10-AV0-61388980
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Kostka, Petr
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	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	310115
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/09:00340423
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	crystallization kinetics; nucleation (en)
http://linked.open.../riv/klicoveSlovo	crystallization kinetics nucleation
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[88350A9AF4C1]
http://linked.open...i/riv/nazevZdroje	Annales de Chimie-Science Des Materiaux
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	34
http://linked.open...iv/tvurceVysledku	Kostka, Petr Poulain, M. Legouera, M. Rahal, F.
http://linked.open...ain/vavai/riv/wos	000272642200005
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí
issn	0151-9107
number of pages	18 (xsd:int)

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