About: Crystallization processes in Ge2Sb2Se4Te glass

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Differential scanning calorimetry (DSC) and X-ray diffraction (XRD) analysis were used to study crystallization in Ge2Sb2Se4Te glass under non-isothermal conditions as a function of the particle size. The crystallization kinetics was described in terms of the autocatalytic Šesták-Berggren model. An extensive discussion of all aspects of a full-scale kinetic study of a crystallization process was undertaken. Dominance of the crystallization process originating from mechanically induced strains and heterogeneities was confirmed. Substitution of Se by Te was found to enhance the manifestation of the bulk crystallization mechanisms (at the expense of surface crystallization). The XRD analysis showed significant dependence of the crystalline structural parameters on the crystallization conditions (initial particle size of the glassy grains and applied heating rate). Based on this information, a new microstructural crystallization mechanism, indistinguishable by DSC, was proposed. Differential scanning calorimetry (DSC) and X-ray diffraction (XRD) analysis were used to study crystallization in Ge2Sb2Se4Te glass under non-isothermal conditions as a function of the particle size. The crystallization kinetics was described in terms of the autocatalytic Šesták-Berggren model. An extensive discussion of all aspects of a full-scale kinetic study of a crystallization process was undertaken. Dominance of the crystallization process originating from mechanically induced strains and heterogeneities was confirmed. Substitution of Se by Te was found to enhance the manifestation of the bulk crystallization mechanisms (at the expense of surface crystallization). The XRD analysis showed significant dependence of the crystalline structural parameters on the crystallization conditions (initial particle size of the glassy grains and applied heating rate). Based on this information, a new microstructural crystallization mechanism, indistinguishable by DSC, was proposed. (en)
Title	Crystallization processes in Ge2Sb2Se4Te glass Crystallization processes in Ge2Sb2Se4Te glass (en)
skos:prefLabel	Crystallization processes in Ge2Sb2Se4Te glass Crystallization processes in Ge2Sb2Se4Te glass (en)
skos:notation	RIV/61388980:_____/15:00438948!RIV15-AV0-61388980
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	JAN
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bezdička, 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	91
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/15:00438948
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Chalcogenides; Glasses; Differential scanning calorimetry (DSC); X-ray diffraction; Crystal structure (en)
http://linked.open.../riv/klicoveSlovo	Crystal structure Glasses X-ray diffraction Differential scanning calorimetry (DSC) Chalcogenides
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[4FC2BCF75778]
http://linked.open...i/riv/nazevZdroje	Materials Research Bulletin
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	2015
http://linked.open...v/svazekPeriodika	61
http://linked.open...iv/tvurceVysledku	Bezdička, Petr Málek, J. Svoboda, R. Gutwirth, J.
http://linked.open...ain/vavai/riv/wos	000347498700035
issn	0025-5408
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.materresbull.2014.10.032

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