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Time-resolved high energy ionoluminescence of Al2O3

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dc.contributor.authorSeitbayev, A.
dc.contributor.authorDauletbekova, A.
dc.contributor.authorTeterev, Y. G.
dc.contributor.authorKrylov, A. N.
dc.contributor.authorSkuratov, V. A.
dc.contributor.authorСкуратов, Владимир Алексеевич
dc.date.accessioned2024-12-02T10:10:57Z
dc.date.available2024-12-02T10:10:57Z
dc.date.issued2021
dc.description.abstract© 2021 Elsevier B.V.We have compared the luminescence decay from intact and pre-damaged Al2O3 crystals registered during single swift heavy ion and photo- picosecond laser pulse excitation (λex. = 440 nm). The decay curves measured during 1.2 ÷ 1.6 MeV/amu C, Ar, V, Kr, Xe ion irradiation at room temperature are composed of three components – fast (τ1 < 1 ns), τ2 = 1.8 ns (F+-centers) and τ3 = 54–80 ns (E-luminescence, the nature of emission is under discussion). The measurements performed on pre-irradiated samples have demonstrated that accumulated radiation damage suppresses the E-luminescence and only τ1 and τ2 components are observed. It was found that photoexcitation at 440 nm induces strong emission of F22+- centers with a lifetime of about 8 ns which is not detected during high energy ion irradiation. This is ascribed to the quenching effect of high density excitations in a particle track.
dc.format.extentС. 46-51
dc.identifier.citationTime-resolved high energy ionoluminescence of Al2O3 / Seitbayev, A. [et al.] // Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. - 2021. - 500-501. - P. 46-51. - 10.1016/j.nimb.2021.05.010
dc.identifier.doi10.1016/j.nimb.2021.05.010
dc.identifier.urihttps://www.doi.org/10.1016/j.nimb.2021.05.010
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85106930281&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000661411800007
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/25529
dc.relation.ispartofNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
dc.titleTime-resolved high energy ionoluminescence of Al2O3
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume500-501
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