Exchange biasing mechanism in La2/3Ca1/3MnO3/La1/3Ca2/3MnO3 multilayers

dc.contributor.authorPanagiotopoulos, I.en
dc.contributor.authorChristides, C.en
dc.contributor.authorPissas, M.en
dc.contributor.authorNiarchos, D.en
dc.date.accessioned2015-11-24T17:34:11Z
dc.date.available2015-11-24T17:34:11Z
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/13937
dc.rightsDefault Licence-
dc.titleExchange biasing mechanism in La2/3Ca1/3MnO3/La1/3Ca2/3MnO3 multilayersen
heal.abstractA series of [La2/3Ca1/3MnO3(L/2)/La1/3Ca2/3MnO3(L/2)]15 multilayers, with bilayer thicknesses L between 2 and 32 nm, has been prepared by pulsed laser deposition. The study of their magnetic and magnetotransport properties reveals the presence of an exchange-biasing mechanism at low temperatures. Zero-field-cooling and field-cooling magnetic measurements reveal a blocking temperature around 70 K that is independent from the bilayer thickness, whereas the average film magnetization becomes zero at 250 K. It is observed that the exchange-biasing field HEB at 10 K follows the variation of coercive field Hc with L, indicating that there is a significant contribution in Hc from the exchange anisotropy at the interfaces. The optimum exchange-biasing properties were observed in multilayers with L58 nm.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.secondaryhttp://prb.aps.org/abstract/PRB/v60/i1/p485_1-
heal.journalNamePhysical Review Ben
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate1999-
heal.publisherThe American Physical Societyen
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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