About: EPR study of charge compensation of chromium centers in the strontium titanate crystal

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Chromium centers and their charge compensation in two single strontium titanate crystals, i.e.,SrTiO3 : Cr (0.05 at %) and Sr0.9995TiO3 : Cr0.0005 grown with strontium deficiency, have been studied by the electron paramagnetic resonance method. The crystals have been investigated both immediately after growth and after oxidation and reduction procedures. Oxidation and reduction are performed by crystal annealing in a corresponding gas atmosphere at high temperature. Chromium centers associated with oxygen vacancy (Cr3+-V0) are detected in the reduced crystals. It is shown that strontium vacancies are formed in the crystal grown with strontium deficiency, which leads to a lowering of the tetragonal symmetry of (Cr3+-V0) and Cr5+ centers to the orthorhombic symmetry. Possible compensation mechanisms for charges of various chromium centers are considered. Chromium centers and their charge compensation in two single strontium titanate crystals, i.e.,SrTiO3 : Cr (0.05 at %) and Sr0.9995TiO3 : Cr0.0005 grown with strontium deficiency, have been studied by the electron paramagnetic resonance method. The crystals have been investigated both immediately after growth and after oxidation and reduction procedures. Oxidation and reduction are performed by crystal annealing in a corresponding gas atmosphere at high temperature. Chromium centers associated with oxygen vacancy (Cr3+-V0) are detected in the reduced crystals. It is shown that strontium vacancies are formed in the crystal grown with strontium deficiency, which leads to a lowering of the tetragonal symmetry of (Cr3+-V0) and Cr5+ centers to the orthorhombic symmetry. Possible compensation mechanisms for charges of various chromium centers are considered. (en)
Title	EPR study of charge compensation of chromium centers in the strontium titanate crystal EPR study of charge compensation of chromium centers in the strontium titanate crystal (en)
skos:prefLabel	EPR study of charge compensation of chromium centers in the strontium titanate crystal EPR study of charge compensation of chromium centers in the strontium titanate crystal (en)
skos:notation	RIV/68378271:_____/13:00395175!RIV14-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/12/1941)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Trepakov, Vladimír Jastrabík, Lubomír Dejneka, Alexandr Azamat, Dmitry
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	73132
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/13:00395175
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	EPR spectroscopy; SrTiO3:Cr crystal; chromium centers (en)
http://linked.open.../riv/klicoveSlovo	SrTiO3:Cr crystal chromium centers EPR spectroscopy
http://linked.open...odStatuVydavatele	RU - Ruská federace
http://linked.open...ontrolniKodProRIV	[F7C51DDE3C54]
http://linked.open...i/riv/nazevZdroje	Physics of the Solid State
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced preparation methods and experimental research of doped perovskite thin-film systems for high density energy storages
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Dejneka, Alexandr Jastrabík, Lubomír Trepakov, Vladimír Azamat, Dmitry Badalyan, A. G. Babunts, R. A. Neverova, E. V.
http://linked.open...ain/vavai/riv/wos	000321632800018
issn	1063-7834
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1134/S1063783413070044

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