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dc.contributor.authorGudkov, V. V.en
dc.contributor.authorLonchakov, A. T.en
dc.contributor.authorSokolov, V. I.en
dc.contributor.authorZhevstovskikh, I. V.en
dc.contributor.authorГудков, В. В.ru
dc.coverage.spatialRSVPUen
dc.coverage.spatialSCOPUSen
dc.date.accessioned2016-11-22T08:10:53Z-
dc.date.available2016-11-22T08:10:53Z-
dc.date.issued2006-
dc.identifier.issn1098-0121-
dc.identifier.otherhttps://www.scopus.com/record/display.uri?origin=resultslist&eid=2-s2.0-33144481708scopus_url
dc.identifier.urihttps://elar.rsvpu.ru/handle/123456789/15289-
dc.description.abstractTemperature dependences of phase velocity and absorption of ultrasound were investigated in ZnSe crystal doped with Cr2+ ions at the frequencies 32-158 MHz. Absorption peak and variation of phase velocity found in the temperature interval 10-20 K were interpreted as manifestation of the Jahn-Teller effect. Temperature dependences of relaxation time, relaxed, and unrelaxed moduli C= 1 2 (C11 + C12 +2 C44) were restored. The dependences were compared with the results of such investigations in ZnSe: Ni2+ and analyzed regarding lattice stability of the crystals. Fitting of the temperature dependence of the relaxation time was done with account of thermal activation over the potential barrier, quantum tunnelling with phonon emission, and two phonon process analogous to Raman scattering. Thermal activation proved to be the dominant mechanism of relaxation above 6 K and quantum tunnelling-below this temperature. © 2006 The American Physical Society.en
dc.format.mimetypetext/htmlen
dc.language.isoenen
dc.rightsinfo:eu-repo/semantics/restrictedAccessen
dc.sourcePhysical Review B - Condensed Matter and Materials Physicsen
dc.titleRelaxation in ZnSe: Cr2+ investigated with longitudinal ultrasonic wavesen
dc.typeArticleen
dc.typeinfo:eu-repo/semantics/articleen
dc.typeinfo:eu-repo/semantics/publishedVersionen
dcterms.audienceOtheren
dcterms.audienceParents and Familiesen
dcterms.audienceResearchersen
dcterms.audienceSchool Support Staffen
dcterms.audienceStudentsen
dcterms.audienceTeachersen
local.issue3-
local.volume73-
local.identifier.doi10.1103/PhysRevB.73.035213-
local.identifier.scopus33144481708-
local.identifier.eid2-s2.0-33144481708-
local.identifier.affiliationInstitute for Metal Physics, Ural Department, Russian Academy of Sciences, Ekaterinburg, Russian Federationen
local.identifier.affiliationRussian State Vocational Pedagogial University, Ekaterinburg, Russian Federationen
local.identifier.sourceScopusen
local.identifier.otherGudkov, V.V., Institute for Metal Physics, Ural Department, Russian Academy of Sciences, Ekaterinburg, Russian Federation, Russian State Vocational Pedagogial University, Ekaterinburg, Russian Federationen
local.identifier.otherLonchakov, A.T., Institute for Metal Physics, Ural Department, Russian Academy of Sciences, Ekaterinburg, Russian Federationen
local.identifier.otherSokolov, V.I., Institute for Metal Physics, Ural Department, Russian Academy of Sciences, Ekaterinburg, Russian Federationen
local.identifier.otherZhevstovskikh, I.V., Institute for Metal Physics, Ural Department, Russian Academy of Sciences, Ekaterinburg, Russian Federationen
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