About: Sintering of zirconia-based nanomaterials studied by variable-energy slow-positron beam

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About: Sintering of zirconia-based nanomaterials studied by variable-energy slow-positron beam Goto Sponge Distinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1088/1742-6596/505/1/012020
Description	A variable-energy slow-positron beam was applied to the investigations of the tetragonal yttria-stabilised zirconia (YSZ), the YSZ co-doped with small amount of Cr2O3. The initial nanopowders exhibiting the mean particle size of approximate to 20 nm were prepared by co-precipitation technique. Prior the sintering, the nanopowders were calcined and compacted using a pressure of 500 MPa. The ordinary shape parameters of the Doppler-broadened annihilation peak and the relative positronium 3 gamma-fractions were determined as functions of positron energy. The results are consistent with a remarkable sintering-induced grain growth and disappearance of porosity which is driven out from the sample interior toward a thin subsurface layer. A variable-energy slow-positron beam was applied to the investigations of the tetragonal yttria-stabilised zirconia (YSZ), the YSZ co-doped with small amount of Cr2O3. The initial nanopowders exhibiting the mean particle size of approximate to 20 nm were prepared by co-precipitation technique. Prior the sintering, the nanopowders were calcined and compacted using a pressure of 500 MPa. The ordinary shape parameters of the Doppler-broadened annihilation peak and the relative positronium 3 gamma-fractions were determined as functions of positron energy. The results are consistent with a remarkable sintering-induced grain growth and disappearance of porosity which is driven out from the sample interior toward a thin subsurface layer. (en)
Title	Sintering of zirconia-based nanomaterials studied by variable-energy slow-positron beam Sintering of zirconia-based nanomaterials studied by variable-energy slow-positron beam (en)
skos:prefLabel	Sintering of zirconia-based nanomaterials studied by variable-energy slow-positron beam Sintering of zirconia-based nanomaterials studied by variable-energy slow-positron beam (en)
skos:notation	RIV/00216208:11320/14:10288528!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/11/1396)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Melikhova, Oksana Procházka, Ivan Čížek, Jakub
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	45100
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10288528
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	positron annihilation; ceramics; nanopowders; zirconia (en)
http://linked.open.../riv/klicoveSlovo	ceramics positron annihilation zirconia nanopowders
http://linked.open...ontrolniKodProRIV	[BB4B5F0A0584]
http://linked.open...v/mistoKonaniAkce	Munich
http://linked.open...i/riv/mistoVydani	BRISTOL
http://linked.open...i/riv/nazevZdroje	Journal of Physics: Conference Series
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Effect of substitutional elements and grain boundaries on properties of nanocrystalline zirconia-based materials
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Anwand, W. Brauer, G. Melikhova, Oksana Procházka, Ivan Čížek, Jakub Danilenko, I. A. Konstantinova, T. E.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000338216500020
http://linked.open.../riv/zahajeniAkce	2013-09-15 (xsd:date)
issn	1742-6588
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1742-6596/505/1/012020
http://purl.org/ne...btex#hasPublisher	IOP PUBLISHING LTD
http://localhost/t...ganizacniJednotka	11320

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