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dc.contributor.authorPustovarov, V. A.en
dc.contributor.authorOgorodnikov, I. N.en
dc.contributor.authorOmelkov, S. I.en
dc.contributor.authorMolokeev, M. S.en
dc.contributor.authorKozlov, A. V.en
dc.contributor.authorIsaenko, L. I.en
dc.date.accessioned2021-08-31T15:03:15Z-
dc.date.available2021-08-31T15:03:15Z-
dc.date.issued2015-
dc.identifier.citationPhotoluminescence of monoclinic Li3AlF6 crystals under vacuum ultraviolet and soft X-ray excitations / V. A. Pustovarov, I. N. Ogorodnikov, S. I. Omelkov, et al. — DOI 10.1016/j.optmat.2015.09.011 // Optical Materials. — 2015. — Vol. 49. — P. 201-207.en
dc.identifier.issn9253467-
dc.identifier.otherFinal2
dc.identifier.otherAll Open Access, Green3
dc.identifier.otherhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84944745567&doi=10.1016%2fj.optmat.2015.09.011&partnerID=40&md5=448fbdd12d9614b4dc60f72a28da0f2b
dc.identifier.otherhttp://bib-pubdb1.desy.de/record/291743/files/ogo-liaf-31Aug2015.pdfm
dc.identifier.urihttp://elar.urfu.ru/handle/10995/102342-
dc.description.abstractUsing Bridgman technique we have grown monoclinic β-LiAF crystals suitable for optical studies, performed XRD-identification and Rietveld refinement of the crystal structure and carried out a photoluminescence study upon vacuum ultraviolet (VUV) and extreme ultraviolet (XUV)-excitations, using the low-temperature (T = 7.2 K) time-resolved VUV-spectroscopy technique. The intrinsic PL emission band at 340-350 nm has been identified as due to radiative recombination of self-trapped excitons. The electronic structure parameters were determined: bandgap Eg≈12.5 eV, energy threshold for creation of unrelaxed excitons 11.8eV<En<12.5eV. The PL emission bands at 320-325 and 450 nm were attributed to luminescence caused by lattice defects. We have discovered an efficient excitation of PL emission bands in the energy range of interband transitions (Eex>13.5 eV), as well as in the energy range of core transitions at 130 eV. We have revealed UV-VUV PL emission bands at 170 and 208 nm due to defects. A reasonable assumptions about the origin of the UV-VUV bands were discussed. © 2015 Elsevier B.V. All rights reserved.en
dc.format.mimetypeapplication/pdfen
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.sourceOpt Mater2
dc.sourceOptical Materialsen
dc.subjectDEFECTSen
dc.subjectLI3ALF6en
dc.subjectTIME-RESOLVED LUMINESCENCEen
dc.subjectVUV SPECTROSCOPYen
dc.subjectDEFECTSen
dc.subjectELECTRONIC STRUCTUREen
dc.subjectEXCITONSen
dc.subjectPHOTOLUMINESCENCEen
dc.subjectRIETVELD REFINEMENTen
dc.subjectSEMICONDUCTOR QUANTUM WELLSen
dc.subjectTEMPERATUREen
dc.subjectX RAYSen
dc.subjectBRIDGMAN TECHNIQUESen
dc.subjectEXTREME ULTRAVIOLETSen
dc.subjectINTER-BAND TRANSITIONen
dc.subjectLI3ALF6en
dc.subjectRADIATIVE RECOMBINATIONen
dc.subjectSELF TRAPPED EXCITONSen
dc.subjectTIME-RESOLVED LUMINESCENCEen
dc.subjectVUV SPECTROSCOPYen
dc.subjectCRYSTAL STRUCTUREen
dc.titlePhotoluminescence of monoclinic Li3AlF6 crystals under vacuum ultraviolet and soft X-ray excitationsen
dc.typeArticleen
dc.typeinfo:eu-repo/semantics/articleen
dc.typeinfo:eu-repo/semantics/publishedVersionen
dc.identifier.doi10.1016/j.optmat.2015.09.011-
dc.identifier.scopus84944745567-
local.contributor.employeePustovarov, V.A., Ural Federal University, 19, Mira Street, Yekaterinburg, 620002, Russian Federation
local.contributor.employeeOgorodnikov, I.N., Ural Federal University, 19, Mira Street, Yekaterinburg, 620002, Russian Federation
local.contributor.employeeOmelkov, S.I., Institute of Physics, University of Tartu, 14c, Ravila Street, Tartu, 50411, Estonia
local.contributor.employeeMolokeev, M.S., Kirensky Institute of Physics, SB RAS, Akademgorodok 50, Krasnoyarsk, 660036, Russian Federation, Far Eastern State Transport University, 47, Serysheva Street, Khabarovsk, 680021, Russian Federation
local.contributor.employeeKozlov, A.V., Ural Federal University, 19, Mira Street, Yekaterinburg, 620002, Russian Federation
local.contributor.employeeIsaenko, L.I., Institute of Geology and Mineralogy, SB RAS, 43, Russkaya Street, Novosibirsk, 630058, Russian Federation, Novosibirsk National Research University, 2, Pirogova Street, Novosibirsk, 630090, Russian Federation
local.description.firstpage201-
local.description.lastpage207-
local.volume49-
local.contributor.departmentUral Federal University, 19, Mira Street, Yekaterinburg, 620002, Russian Federation
local.contributor.departmentInstitute of Physics, University of Tartu, 14c, Ravila Street, Tartu, 50411, Estonia
local.contributor.departmentKirensky Institute of Physics, SB RAS, Akademgorodok 50, Krasnoyarsk, 660036, Russian Federation
local.contributor.departmentFar Eastern State Transport University, 47, Serysheva Street, Khabarovsk, 680021, Russian Federation
local.contributor.departmentInstitute of Geology and Mineralogy, SB RAS, 43, Russkaya Street, Novosibirsk, 630058, Russian Federation
local.contributor.departmentNovosibirsk National Research University, 2, Pirogova Street, Novosibirsk, 630090, Russian Federation
local.identifier.pure555878-
local.identifier.pured945703e-9101-418f-beb9-808696b3519duuid
local.identifier.eid2-s2.0-84944745567-
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