About: Electron spin-lattice relaxation of low-symmetry Ni2+ centers in LiF

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The spin-lattice relaxation times of charge-compensated Ni2+ centers in LiF single crystals were measured using the electron spin echo technique. An analysis of the results revealed a very high relaxation rate with a linear dependence on temperature within the intermediate temperature range of 5–15 K. This acceleration of the relaxation rate was found to be due to the inhomogeneous distribution of Ni2+ ions in the LiF lattice. It seems that the effective cross-relaxation mechanism through the exchange-coupled clusters of Ni2+ ions can play a dominant role. Two-phonon Raman type relaxation dominates at higher temperatures involving the Debye phonon spectrum of the LiF lattice. The spin-lattice relaxation times of charge-compensated Ni2+ centers in LiF single crystals were measured using the electron spin echo technique. An analysis of the results revealed a very high relaxation rate with a linear dependence on temperature within the intermediate temperature range of 5–15 K. This acceleration of the relaxation rate was found to be due to the inhomogeneous distribution of Ni2+ ions in the LiF lattice. It seems that the effective cross-relaxation mechanism through the exchange-coupled clusters of Ni2+ ions can play a dominant role. Two-phonon Raman type relaxation dominates at higher temperatures involving the Debye phonon spectrum of the LiF lattice. (en)
Title	Electron spin-lattice relaxation of low-symmetry Ni2+ centers in LiF Electron spin-lattice relaxation of low-symmetry Ni2+ centers in LiF (en)
skos:prefLabel	Electron spin-lattice relaxation of low-symmetry Ni2+ centers in LiF Electron spin-lattice relaxation of low-symmetry Ni2+ centers in LiF (en)
skos:notation	RIV/68378271:_____/14:00432326!RIV15-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/12/1941), P(LM2011029), P(TA01010517)
http://linked.open...iv/cisloPeriodika	25
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Lančok, Ján 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	14177
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/14:00432326
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ni2+ centers; LiF single crystals; electron spin-lattice relaxation; electron spin echo technique (en)
http://linked.open.../riv/klicoveSlovo	LiF single crystals Ni2+ centers electron spin echo technique electron spin-lattice relaxation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[391E00C1D969]
http://linked.open...i/riv/nazevZdroje	Applied Physics Letters
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (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 SAFMAT - Centre of Functional Materials Analyses Modern multilayer optical structures.
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	104
http://linked.open...iv/tvurceVysledku	Dejneka, Alexandr Jastrabík, Lubomír Lančok, Ján Azamat, Dmitry Badalyan, A. G.
http://linked.open...ain/vavai/riv/wos	000338515900069
issn	0003-6951
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.4885381

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