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Comparative analysis of long- and short-range structures features in titanates Ln 2 Ti 2 O 7 and zirconates Ln 2 Zr 2 O 7 (Ln = Gd, Tb, Dy) upon the crystallization process

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dc.contributor.authord'Acapito, F.
dc.contributor.authorPuri, A.
dc.contributor.authorCastro, G. R.
dc.contributor.authorShchetinin, I. V.
dc.contributor.authorPopov, V. V.
dc.contributor.authorMenushenkov, A. P.
dc.contributor.authorIvanov, A. A.
dc.contributor.authorGaynanov, B. R.
dc.contributor.authorYastrebtsev, A. A.
dc.contributor.authorПопов, Виктор Владимирович
dc.contributor.authorМенушенков, Алексей Павлович
dc.contributor.authorИванов, Андрей Анатольевич
dc.contributor.authorГайнанов, Булат Радикович
dc.contributor.authorЯстребцев, Алексей Алексеевич
dc.date.accessioned2024-11-20T09:43:08Z
dc.date.available2024-11-20T09:43:08Z
dc.date.issued2019
dc.description.abstract© 2019 Elsevier Ltd We report a comparative study of Ln 2 M 2 O 7 (Ln = Gd, Tb, Dy; M = Ti, Zr) synthesized by combination of the sol-gel and coprecipitation methods followed by calcination at elevated temperatures. The long-range average crystal as well as short-range local structure in the samples were analyzed using X-ray diffraction, X-ray absorption spectroscopy (XAFS) and Raman spectroscopy. It has been found that Ln-Ti precursors crystallize directly to pyrochlore phase, whereas crystallization of Ln-Zr precursors to pyrochlore phase goes through intermediate fluorite phase. We have shown that X-ray absorption data make possible to detect the crystallization and phase transition features in Ln 2 M 2 O 7 such as splitting of Ln-O coordination shells and changes of the symmetry in local environment.
dc.format.extentС. 144-153
dc.identifier.citationComparative analysis of long- and short-range structures features in titanates Ln 2 Ti 2 O 7 and zirconates Ln 2 Zr 2 O 7 (Ln = Gd, Tb, Dy) upon the crystallization process / d'Acapito, F. [et al.] // Journal of Physics and Chemistry of Solids. - 2019. - 130. - P. 144-153. - 10.1016/j.jpcs.2019.02.019
dc.identifier.doi10.1016/j.jpcs.2019.02.019
dc.identifier.urihttps://www.doi.org/10.1016/j.jpcs.2019.02.019
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85062291700&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000467669100018
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/16611
dc.relation.ispartofJournal of Physics and Chemistry of Solids
dc.titleComparative analysis of long- and short-range structures features in titanates Ln 2 Ti 2 O 7 and zirconates Ln 2 Zr 2 O 7 (Ln = Gd, Tb, Dy) upon the crystallization process
dc.typeArticle
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