About: Defects in CaF2 caused by long-time irradiation and their response to annealing

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Samples of CaF2 irradiated for millions of years in nature were studied by several methods, including X-Ray diffraction, positron annihilation spectroscopy (PAS), photoluminescence spectroscopy (PLS) and transmission electron microscopy (TEM). It was found that the unexpectedly high density of radiation-induced defects present in the fluorite structure (documented by TEM) causes significant micro-strains. Even annealing up to 450 °C cannot completely remove these micro-strains, which are stabilised by impurities. PAS and subsequent theoretical calculations revealed the behaviour of the defects during heating. The PL spectra of irradiated fluorite were also interpreted. Samples of CaF2 irradiated for millions of years in nature were studied by several methods, including X-Ray diffraction, positron annihilation spectroscopy (PAS), photoluminescence spectroscopy (PLS) and transmission electron microscopy (TEM). It was found that the unexpectedly high density of radiation-induced defects present in the fluorite structure (documented by TEM) causes significant micro-strains. Even annealing up to 450 °C cannot completely remove these micro-strains, which are stabilised by impurities. PAS and subsequent theoretical calculations revealed the behaviour of the defects during heating. The PL spectra of irradiated fluorite were also interpreted. (en)
Title	Defects in CaF2 caused by long-time irradiation and their response to annealing Defects in CaF2 caused by long-time irradiation and their response to annealing (en)
skos:prefLabel	Defects in CaF2 caused by long-time irradiation and their response to annealing Defects in CaF2 caused by long-time irradiation and their response to annealing (en)
skos:notation	RIV/00216208:11310/10:10069870!RIV11-MSM-11310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC510), Z(MSM0021620834), Z(MSM0021620855)
http://linked.open...iv/cisloPeriodika	20
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Vlček, Vojtěch Skála, Roman
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 Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	253100
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/10:10069870
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	annealing; long-time irradiation; CaF2; Defects (en)
http://linked.open.../riv/klicoveSlovo	Defects annealing CaF2 long-time irradiation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[870E7596979D]
http://linked.open...i/riv/nazevZdroje	Philosophical Magazine
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	Center of nanotechnology and materials for nanoelectronics
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	90
http://linked.open...iv/tvurceVysledku	Drahokoupil, Jan Skála, Roman Valenta, Jan Čížek, Jakub Vlček, Vojtěch Miyajima, Nobuyoshi
http://linked.open...ain/vavai/riv/wos	000278164200005
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies Material flow mechanisms in the upper spheres of the Earth
issn	1478-6435
number of pages	21 (xsd:int)
http://localhost/t...ganizacniJednotka	11310
is http://linked.open...avai/riv/vysledek of	Defects in CaF2 caused by long-time irradiation and their response to annealing Defects in CaF2 caused by long-time irradiation and their response to annealing Defects in CaF2 caused by long-time irradiation and their response to annealing

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