Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/51200
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dc.contributor.authorSokolov, V. I.en
dc.contributor.authorPustovarov, V. A.en
dc.contributor.authorChurmanov, V. N.en
dc.contributor.authorIvanov, V. Yu.en
dc.contributor.authorGruzdev, N. B.en
dc.contributor.authorSokolov, P. S.en
dc.contributor.authorBaranov, A. N.en
dc.contributor.authorMoskvin, A. S.en
dc.contributor.authorПустоваров, В. А.ru
dc.date.accessioned2017-09-04T14:45:30Z-
dc.date.available2017-09-04T14:45:30Z-
dc.date.issued2012-
dc.identifier.citationUnusual x-ray excited luminescence spectra of NiO suggest self-trapping of the d-d charge-transfer exciton / V. I. Sokolov, V. A. Pustovarov, V. N. Churmanov, V. Yu. Ivanov, N. B. Gruzdev, P. S. Sokolov, A. N. Baranov, A. S. Moskvin // Physical Review B - Condensed Matter and Materials Physics. — 2012. — Vol. 86. — № 11.en
dc.identifier.issn1098-0121-
dc.identifier.issn1550-235X-
dc.identifier.otherhttp://arxiv.org/pdf/1201.4368pdf
dc.identifier.other1good_DOI
dc.identifier.other47d07992-42e1-4bcb-9dd3-9a335400cfd9pure_uuid
dc.identifier.otherhttp://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=84867018861m
dc.identifier.urihttp://hdl.handle.net/10995/51200-
dc.identifier.urihttps://elar.urfu.ru/handle/10995/51200en
dc.description.abstractLuminescence spectra of NiO have been investigated under vacuum ultraviolet (VUV) and soft x-ray (XUV) excitation (DESY, Hamburg). Photoluminescence (PL) spectra show broad emission violet and green bands centered at about 3.2 and 2.6 eV, respectively. The PL excitation (PLE) spectral evolution and lifetime measurements reveal that the two mechanisms with short and long decay times, attributed to the d(e g)-d(e g) and p(π)-d charge transfer (CT) transitions in the range 4-6 eV, respectively, are responsible for the observed emissions. The XUV excitation makes it possible to avoid the predominant role of the surface effects in luminescence and reveals a bulk violet luminescence with a puzzling well-isolated doublet of very narrow lines. These lines with close energies near 3.3 eV are attributed to recombination transitions in the self-trapped d-d CT excitons formed by the coupled Jahn-Teller Ni + and Ni3 + centers. The conclusion is supported by a comparative analysis of the luminescence spectra for NiO and solid solution Ni xZn 1-xO and by a comprehensive cluster model assignment of different p-d and d-d CT transitions and their relaxation channels. Our paper shows that the time-resolved luminescence measurements provide an instructive tool for the elucidation of the p-d and d-d CT excitations and their relaxation in 3d oxides. © 2012 American Physical Society.en
dc.format.mimetypeapplication/pdfen
dc.language.isoenen
dc.sourcePhysical Review B - Condensed Matter and Materials Physicsen
dc.titleUnusual x-ray excited luminescence spectra of NiO suggest self-trapping of the d-d charge-transfer excitonen
dc.typeArticleen
dc.typeinfo:eu-repo/semantics/publishedVersionen
dc.typeinfo:eu-repo/semantics/articleen
dc.identifier.doi10.1103/PhysRevB.86.115128-
dc.identifier.scopus84867018861-
local.contributor.employeeСоколов Виктор Ивановичru
local.contributor.employeeПустоваров Владимир Алексеевичru
local.contributor.employeeЧурманов Владимир Николаевичru
local.contributor.employeeИванов Владимир Юрьевичru
local.contributor.employeeМосквин Александр Сергеевичru
local.issue11-
local.volume86-
dc.identifier.wos000309173300002-
local.contributor.departmentИнститут естественных наук и математикиru
local.contributor.departmentФизико-технологический институтru
local.identifier.pure1075182-
local.description.order115128-
local.identifier.eid2-s2.0-84867018861-
local.identifier.wosWOS:000309173300002-
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