About: Reversible crystallization and structural relaxation in amorphous materials used for phase change recording

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Attributes	Values
rdf:type	http://linked.opendata.cz/ontology/domain/vavai/Projekt
rdfs:seeAlso	http://www.isvav.cz/projectDetail.do?rowId=GAP106/11/1152
Description	The project is focused on a detailed study of reversible crystallization processes as well as the structural relaxation in phase change materials that are used for rewriteable optical or RAM data storage media. Selected compositions of chalcogenide amorphous materials in Ge-Sb-Te and Ge-Sb-Se systems will be prepared. Crystallization processes will be studied by using thermal analysis and various microscopy techniques in combination with some novel methods. A systematic study of thermodynamic properties and viscosity behavior of these compositions will be performed as an integral part of this project. The experimental and theoretical study of structural relaxation in phase change materials is proposed. It will be monitored by volume, enthalpy or entropy change as a function of long term annealing at selected temperatures in the glass transition range. Such a combined approach is useful for searching new materials with tailored properties as well as to better control the reversible crystallization process and to predict the long term stability of amorphous phase. Both aspects are essential for further development of phase change memory devices. (en) Předmětem projektu je detailní studium reverzibilních krystalizačních procesů a strukturni relaxace amorfních materiálů pro optický a elektrický záznam informace. Krystalizační procesy budou studovány na vybraných složeních amorfních materiálů v systémech Ge-Sb-Te a Ge-Sb-Se s využitím termoanalytických metod a mikroskopických technik v kombinaci s některými nově vyvinutými metodami. Součástí projektu je též studium termodynamických vlastností a viskozitního chování zmíněných systémů. Další oblastí je experimentální a teoretické studium strukturní relaxace monitorované pomocí mikroskopických změn objemu a entalpie v závislosti na dlouhodobé temperaci v oblasti skelné transformace. Navržený komplexní přístup je slibný pro hledání nových materiálů s definovanými vlastnostmi, pro lepší využití reverzibilní krystalizace a predikci dlouhodobé stability amorfní fáze. Oba tyto aspekty mají zásadní význam pro budoucí vývoj médií pro záznam informace na bázi amorfních chalkogenidů.
Title	Reversible crystallization and structural relaxation in amorphous materials used for phase change recording (en) Reverzibilní krystalizace a strukturni relaxace amorfních materiálů pro záznam informace
skos:notation	GAP106/11/1152
http://linked.open...avai/cep/aktivita	Standard projects
http://linked.open...kovaStatniPodpora	http://linked.opendata.cz/resource/domain/vavai/projekt/GAP106%2F11%2F1152/celkovaStatniPodpora
http://linked.open...ep/celkoveNaklady	http://linked.opendata.cz/resource/domain/vavai/projekt/GAP106%2F11%2F1152/celkoveNaklady
http://linked.open...datumDodatniDoRIV	2015-04-23 (xsd:date)
http://linked.open...i/cep/druhSouteze	VS - Veřejná soutěž ve výzkumu a vývoji
http://linked.open...ep/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open.../cep/fazeProjektu	100777464
http://linked.open...ai/cep/hlavniObor	CA - Anorganická chemie
http://linked.open...vai/cep/kategorie	ZV - Základní výzkum
http://linked.open.../cep/klicovaSlova	crystallization structural relaxation amorphous materials viscosity phase change media (en)
http://linked.open...ep/partnetrHlavni	Fakulta chemicko-technologická
http://linked.open...inujicichPrijemcu	0 (xsd:int)
http://linked.open...cep/pocetPrijemcu	1 (xsd:int)
http://linked.open...ocetSpoluPrijemcu	0 (xsd:int)
http://linked.open.../pocetVysledkuRIV	39 (xsd:int)
http://linked.open...enychVysledkuVRIV	39 (xsd:int)
http://linked.open...lneniVMinulemRoce	2014-03-31 (xsd:date)
http://linked.open.../prideleniPodpory	http://linked.opendata.cz/resource/domain/vavai/cep/prideleniPodpory/P106-11-1152
http://linked.open...iciPoslednihoRoku	2015
http://linked.open...atUdajeProjZameru	2015
http://linked.open.../vavai/cep/soutez	SGA02011GA-ST
http://linked.open...usZobrazovaneFaze	DRRVK
http://linked.open...ai/cep/typPojektu	P - Projekt výzkumu a vývoje financovaný ze státního rozpočtu
http://linked.open...ep/ukonceniReseni	2015-12-31 (xsd:date)
http://linked.open.../cep/vedlejsiObor	CF - Fyzikální chemie a teoretická chemie
http://linked.open...ep/zahajeniReseni	2011-01-01 (xsd:date)
http://linked.open...tniCyklusProjektu	ZBBBK
is http://linked.open...vavai/riv/projekt of	Modified Stepwise Method for Determining Heat Capacity by DSC Krystalizace v systému Sb-Se a její kinetický popis Crystallization kinetics of amorphous Se Part 1. Interpretation of kinetic functions Crystal Growth Kinetics in Se-Te Amorphous Materials Crystallization kinetics in Amorphous and Glassy Materials Description of enthalpy relaxation dynamics in terms of TNM model The Ozawa's generalized time concept and YZ-master plots as a convenient tool for kinetic analysis of complex processes Optimization of Heat Capacity Measurement Using DSC Interpretation of crystallization kinetics results provided by DSC Applicability of Fraser-Suzuki function in kinetic analysis of complex crystallization processes Analysis of Crystallization in Sb2Se98 Glass Structural Relaxation and Viscosity Behavior in Supercooled Liquids at the Glass Transition Is the original Kissinger equation obsolete today? Thermal behavior in Se-Te chalcogenide system: Interplay of thermodynamics and kinetics Extended study of crystallization kinetics for Se-Te glasses Crystal growth kinetics of Sb2S3 in Ge-Sb-S amorphous thin films DECONVOLUTION OF COMPLEX CRYSTALLIZATION PROCESSES: AMORPHOUS SELENIUM Enthalpic relaxation in Ge2Sb2Se5 glass Electrical conductivity and crystallization kinetics in Te-Se glassy system Nucleation in As2Se3 glass studied by DSC On approximation of thermodynamic driving force in deeply undercooled melts Particle size influence on crystallization behavior of Ge2Sb2Se5 glass Nucleation and growth in amorphous (GeS2)(0.9)(Sb2S3)(0.1) thin films Kinetic processes in Se-Te glasses Combined kinetic analysis in thermal analysis Crystallization in Sb-Se Composition Non-isothermal crystallization kinetics of As2Se3 glass studied by DSC Viscosity Behavior of Amorphous Chalcogenides Crystal growth kinetics in GeS2 amorphous thin films Crystallization kinetics of a-Se Crystallization behavior in Se90Te10 and Se80Te20 thin films Crystallization behavior of GeSb2Se4 chalcogenide glass Crystallization behaviour of Ge17Sb23Se60 thin films Crystallization kinetics of a-Se, part 4: Thin films Crystallization kinetics of Se-Te thin films Analysis of Crystallization in Sb2Se98 Composition Amorphous-to-crystalline transition in Te-doped Ge2Sb2Se5 glass How to determine activation energy of glass transition Utilization of %22q(+)/q(-) = const.%22 DSC cycles for physical aging studies
is http://linked.open...vavai/cep/projekt of	http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP106%2F11%2F1152/2011/orjk%3A25310 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP106%2F11%2F1152/2012/orjk%3A25310 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP106%2F11%2F1152/2013/orjk%3A25310 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP106%2F11%2F1152/2014/orjk%3A25310 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP106%2F11%2F1152/2015/orjk%3A25310

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