About: Electron and hole traps in yttrium orthosilicate single crystals: the critical role of Si-unbound oxygen

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About: Electron and hole traps in yttrium orthosilicate single crystals: the critical role of Si-unbound oxygen Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We studied the processes of hole and electron trapping in yttrium orthosilicate Y2SiO5 single crystals using continuous wave and pulse electron spin resonance methods. We show that holes created by x-ray irradiation at low temperatures (T <80 K) are preferably self-trapped at Si-unbound oxygen ions in the form of O- centers. Under irradiation at higher temperatures (200–290 K), the holes are trapped at the Si-unbound oxygen ions in the vicinity of perturbing defects such as yttrium vacancies and impurity ions forming a variety of O- centers with thermal stability up to room and higher temperatures. We have also found that under x-ray irradiation at T < 60 K, electrons are preferably trapped in the vicinity of Si-unbound oxygen ion vacancies and partly trapped also at Mo impurity ions in the form of F+-type and Mo5+ centers, respectively. We studied the processes of hole and electron trapping in yttrium orthosilicate Y2SiO5 single crystals using continuous wave and pulse electron spin resonance methods. We show that holes created by x-ray irradiation at low temperatures (T <80 K) are preferably self-trapped at Si-unbound oxygen ions in the form of O- centers. Under irradiation at higher temperatures (200–290 K), the holes are trapped at the Si-unbound oxygen ions in the vicinity of perturbing defects such as yttrium vacancies and impurity ions forming a variety of O- centers with thermal stability up to room and higher temperatures. We have also found that under x-ray irradiation at T < 60 K, electrons are preferably trapped in the vicinity of Si-unbound oxygen ion vacancies and partly trapped also at Mo impurity ions in the form of F+-type and Mo5+ centers, respectively. (en)
Title	Electron and hole traps in yttrium orthosilicate single crystals: the critical role of Si-unbound oxygen Electron and hole traps in yttrium orthosilicate single crystals: the critical role of Si-unbound oxygen (en)
skos:prefLabel	Electron and hole traps in yttrium orthosilicate single crystals: the critical role of Si-unbound oxygen Electron and hole traps in yttrium orthosilicate single crystals: the critical role of Si-unbound oxygen (en)
skos:notation	RIV/68378271:_____/14:00432629!RIV15-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP204/12/0805), P(LM2011029)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Laguta, Valentyn Rosa, Jan Hybler, Jiří Buryi, Maksym Nikl, Martin Savchenko, Dariia
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	14167
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/14:00432629
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ESR; yttrium orthosilicates; ESEEM; charge traps; F+ centers (en)
http://linked.open.../riv/klicoveSlovo	ESEEM F+ centers charge traps yttrium orthosilicates ESR
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[3BD44A88238D]
http://linked.open...i/riv/nazevZdroje	Physical Review. B
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	SAFMAT - Centre of Functional Materials Analyses Advanced material solutions for thin film scintillators and light transformers
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	90
http://linked.open...iv/tvurceVysledku	McClellan, K. J. Nikl, Martin Stanek, C. R. Hybler, Jiří Laguta, Valentyn Rosa, Jan Zazubovich, S. Kärner, T. Savchenko, Dariia Buryi, Maksym
http://linked.open...ain/vavai/riv/wos	000339994200003
issn	1098-0121
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevB.90.064104

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