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Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/14348
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dc.contributor.authorPapavassiliou, G.en
dc.contributor.authorFardis, M.en
dc.contributor.authorBelesi, M.en
dc.contributor.authorPissas, M.en
dc.contributor.authorPanagiotopoulos, I.en
dc.contributor.authorKallias, G.en
dc.contributor.authorNiarchos, D.en
dc.contributor.authorDimitropoulos, C.en
dc.contributor.authorDolinsek, J.en
dc.date.accessioned2015-11-24T17:37:23Z-
dc.date.available2015-11-24T17:37:23Z-
dc.identifier.issn0163-1829-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14348-
dc.rightsDefault Licence-
dc.subjectgiant-magnetoresistanceen
dc.subjecttransport-propertiesen
dc.subjectla1-xsrxmno3en
dc.subjectmanganitesen
dc.subjecttransitionen
dc.subjectla0.5ca0.5mno3en
dc.subjectla1-xcaxmno3en
dc.subjectcrystalsen
dc.subjectdiagramen
dc.subjectx=0.25en
dc.titlePolarons and phase separation in lanthanum-based manganese perovskites: A La-139 and Mn-55 NMR studyen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1103/PhysRevB.59.6390-
heal.identifier.secondary<Go to ISI>://000079254300059-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.publicationDate1999-
heal.abstractLow-temperature La-139 and Mn-55 NMR line shape measurements in La1-xCaxMnO3 for 0.125 less than or equal to x less than or equal to 0.5, and La-0.67(Ca1-yBay)(0.33)MnO3 for 0 less than or equal to y less than or equal to 1 are shown to directly reflect changes of the structure and of the magnetic state at a local level. For low x values in La1-xCaxMnO3 evidence is given about the presence of polaronic lattice distortions. By increasing; x, structurally undistorted conductive ferromagnetic (FM) regions are formed indicating a percolative metal to insulator phase transition, whereas for x = 0.5 the system is shown to break into FM and antiferromagnetic regions in accordance with the predictions of the electronic phase separation model. [S0163-1829(99)04609-3].en
heal.publisherThe American Physical Societyen
heal.journalNamePhysical Review Ben
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
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