About: The transition from dynamics to statics in the electron-spin-resonance spectra of impurity Mn2+ ions in strontium titanate

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About: The transition from dynamics to statics in the electron-spin-resonance spectra of impurity Mn2+ ions in strontium titanate Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The electron- spin -resonance (ESR)spectra of SrTiO3:Mn single crystals have been investigated.Results unambiguously indicate that the impurity center formed by an Mn2+ ion has a dynamic nature. In the high temperature range (T > 100 K), ESR spectra of Mn2+ ions reveal cubic symmetry; the spectrum is found to broaden significantly with a decrease in temperature. Upon cooling to T < 10 K, low symmetry centers of Mn2+ ions with a strong orientational dependence emerge in the spectra. Temperature evolution of the ESR spectrum can be described within the model of a dynamic off- center Mn2+ ion substituting for the Sr2+ ion, with a transition to the static regime at low temperatures with an average localization energy of 2.4 0.4 meV for Mn2+ centers due to random deformations. The electron- spin -resonance (ESR)spectra of SrTiO3:Mn single crystals have been investigated.Results unambiguously indicate that the impurity center formed by an Mn2+ ion has a dynamic nature. In the high temperature range (T > 100 K), ESR spectra of Mn2+ ions reveal cubic symmetry; the spectrum is found to broaden significantly with a decrease in temperature. Upon cooling to T < 10 K, low symmetry centers of Mn2+ ions with a strong orientational dependence emerge in the spectra. Temperature evolution of the ESR spectrum can be described within the model of a dynamic off- center Mn2+ ion substituting for the Sr2+ ion, with a transition to the static regime at low temperatures with an average localization energy of 2.4 0.4 meV for Mn2+ centers due to random deformations. (en)
Title	The transition from dynamics to statics in the electron-spin-resonance spectra of impurity Mn2+ ions in strontium titanate The transition from dynamics to statics in the electron-spin-resonance spectra of impurity Mn2+ ions in strontium titanate (en)
skos:prefLabel	The transition from dynamics to statics in the electron-spin-resonance spectra of impurity Mn2+ ions in strontium titanate The transition from dynamics to statics in the electron-spin-resonance spectra of impurity Mn2+ ions in strontium titanate (en)
skos:notation	RIV/68378271:_____/14:00431870!RIV15-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/12/1941), P(TA01010517)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Trepakov, Vladimír Jastrabík, Lubomír Dejneka, Alexandr
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	51040
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/14:00431870
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	electron-spin-resonance; impurity Mn2+ ions; strontium titanate (en)
http://linked.open.../riv/klicoveSlovo	strontium titanate electron-spin-resonance impurity Mn2+ ions
http://linked.open...odStatuVydavatele	RU - Ruská federace
http://linked.open...ontrolniKodProRIV	[ABAFA2776B17]
http://linked.open...i/riv/nazevZdroje	Optics and Spectroscopy
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (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 Modern multilayer optical structures.
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	116
http://linked.open...iv/tvurceVysledku	Dejneka, Alexandr Jastrabík, Lubomír Trepakov, Vladimír Rodionov, A. A. Yusupov, R. V. Kvyatkovskii, O. E. Zverev, D. G.
http://linked.open...ain/vavai/riv/wos	000339948200002
issn	0030-400X
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1134/S0030400X14060253

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