About: Extended study of crystallization kinetics for Se-Te glasses

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://link.springer.com/article/10.1007%2Fs10973-012-2347-x
Description	Crystallization kinetics of chosen compositions from Se-Te glassy system were studied under non-isothermal conditions depending on particle size using differential scanning calorimetry. The purpose of this article is to demonstrate the extent of information accessible by the modern kinetic analysis provided by the differential scanning calorimetry, and to suggest its importance and merit for the development of new, high-tech PCM materials. The crystallization kinetics was described in terms of the nucleation-growth Johnson-Mehl-Avrami model. Complexity of the crystallization process was in this case represented by very closely overlapping consecutive competing surface and bulk nucleation-growth mechanisms. Mutual interactions of both mechanisms as well as all other observed effects were explained in terms of thermal gradients, surface crystallization centers arising from the sample preparation treatments, and changing amount of volume nuclei originating from the combination of pre-nucleation period, and the very glass preparation phase. Accent was laid on the merits resulting from interpretations of characteristic kinetic functions. A new criterion for quick determination of the dominating crystallization mechanism-surface or bulk-was introduced. Crystallization kinetics of chosen compositions from Se-Te glassy system were studied under non-isothermal conditions depending on particle size using differential scanning calorimetry. The purpose of this article is to demonstrate the extent of information accessible by the modern kinetic analysis provided by the differential scanning calorimetry, and to suggest its importance and merit for the development of new, high-tech PCM materials. The crystallization kinetics was described in terms of the nucleation-growth Johnson-Mehl-Avrami model. Complexity of the crystallization process was in this case represented by very closely overlapping consecutive competing surface and bulk nucleation-growth mechanisms. Mutual interactions of both mechanisms as well as all other observed effects were explained in terms of thermal gradients, surface crystallization centers arising from the sample preparation treatments, and changing amount of volume nuclei originating from the combination of pre-nucleation period, and the very glass preparation phase. Accent was laid on the merits resulting from interpretations of characteristic kinetic functions. A new criterion for quick determination of the dominating crystallization mechanism-surface or bulk-was introduced. (en)
Title	Extended study of crystallization kinetics for Se-Te glasses Extended study of crystallization kinetics for Se-Te glasses (en)
skos:prefLabel	Extended study of crystallization kinetics for Se-Te glasses Extended study of crystallization kinetics for Se-Te glasses (en)
skos:notation	RIV/00216275:25310/13:39896276!RIV14-GA0-25310___
http://linked.open...avai/predkladatel	Fakulta chemicko-technologická
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP106/11/1152), P(LC523)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Svoboda, Roman Málek, Jiří
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	74375
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/13:39896276
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Se(1-y)Tey; JMA model; DSC; crystallization kinetics (en)
http://linked.open.../riv/klicoveSlovo	DSC JMA model crystallization kinetics Se(1-y)Tey
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[B4D310CE9181]
http://linked.open...i/riv/nazevZdroje	Journal of Thermal Analysis and Calorimetry
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Perspective inorganic materials Reversible crystallization and structural relaxation in amorphous materials used for phase change recording
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	111
http://linked.open...iv/tvurceVysledku	Málek, Jiří Svoboda, Roman
http://linked.open...ain/vavai/riv/wos	000313207400022
issn	1388-6150
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s10973-012-2347-x
http://localhost/t...ganizacniJednotka	25310

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