About: Positron annihilation in vacancies at grain boundaries in metals

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The behavior of vacancies in selected coherent grain boundaries (GBs) in Fe and Ni is studied by means of molecular dynamics simulations. Corresponding positron lifetimes are calculated using the atomic superposition method. There is a difference between the vacancy behavior in Fe and Ni in dependence on temperature. In Ni, vacancies at GBs appear to diminish substantially their free volume (and lifetime) with the increasing temperature, which can be attributed to vacancy delocalization. Contrary, GB vacancies remain stable up to apparently higher temperatures in Fe. The behavior of vacancies in selected coherent grain boundaries (GBs) in Fe and Ni is studied by means of molecular dynamics simulations. Corresponding positron lifetimes are calculated using the atomic superposition method. There is a difference between the vacancy behavior in Fe and Ni in dependence on temperature. In Ni, vacancies at GBs appear to diminish substantially their free volume (and lifetime) with the increasing temperature, which can be attributed to vacancy delocalization. Contrary, GB vacancies remain stable up to apparently higher temperatures in Fe. (en)
Title	Positron annihilation in vacancies at grain boundaries in metals Positron annihilation in vacancies at grain boundaries in metals (en)
skos:prefLabel	Positron annihilation in vacancies at grain boundaries in metals Positron annihilation in vacancies at grain boundaries in metals (en)
skos:notation	RIV/00216224:14310/08:00024424!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/06/1509), P(IAA1041302), P(OC 147), P(OC 165), Z(AV0Z20410507), Z(MSM0021620834), Z(MSM0021622410)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Šob, Mojmír Kuriplach, Jan
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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	387755
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/08:00024424
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	positron annihilation; vacancies; grain boundaries (en)
http://linked.open.../riv/klicoveSlovo	vacancies positron annihilation grain boundaries
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[BE360442658D]
http://linked.open...i/riv/nazevZdroje	Applied Surface Science
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20147 http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20165 Theoretical studies of structure and magnetic properties of internal interfaces in metallic materials Mechanical properties of advanced materials and stability of higher-energy phases
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	255
http://linked.open...iv/tvurceVysledku	Kuriplach, Jan Šob, Mojmír Hou, M. Melikhova, O. Van Petegem, S. Zhurkin, E.
http://linked.open...ain/vavai/riv/wos	000259726900034
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing Condensed Matter Physics – New Materials and Technologies Physical and chemical properties of advanced materials and structures
issn	0169-4332
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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