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High coercivity of gamma-Fe2O3 nanoparticles obtained by a mechanochemically activated solid-state displacement reaction

dc.creatorKusigerski, Vladan
dc.creatorTadić, Marin
dc.creatorSpasojević, Vojislav
dc.creatorAntić, Bratislav
dc.creatorMarković, Dragana
dc.creatorBošković, Snežana B.
dc.creatorMatović, Branko
dc.date.accessioned2018-03-01T20:02:54Z
dc.date.available2018-03-01T20:02:54Z
dc.date.issued2007
dc.identifier.issn1359-6462
dc.identifier.urihttps://vinar.vin.bg.ac.rs/handle/123456789/3180
dc.description.abstractNanoscale maghemite samples were obtained by a solid-state displacement reaction activated by mechanochemical treatment for two different milling times, 30 min (sample S1) and 4 h (sample S2). Samples were characterized by X-ray powder diffraction, transmission electron microscopy and SQUID magnetometry. The results show that prolongation of the milling time increases particle size while reducing the crystallinity, with a strong impact on the magnetic properties. Coercivity of 3.3 kOe at 5 K temperature for S2 is among the highest values reported so far for the maghemite nanoparticles. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.en
dc.rightsrestrictedAccessen
dc.sourceScripta Materialiaen
dc.subjectmechanochemistryen
dc.subjectnanocrystalline materialsen
dc.subjectmagnetic propertiesen
dc.subjectsuperparamagnetismen
dc.titleHigh coercivity of gamma-Fe2O3 nanoparticles obtained by a mechanochemically activated solid-state displacement reactionen
dc.typearticleen
dcterms.abstractМарковиц, Драгана; Кусигерски Владан; Тадић Марин; Спасојевић Војислав; Aнтић Братислав; Босковиц, Снезана; Матовић Бранко;
dc.citation.volume56
dc.citation.issue10
dc.citation.spage883
dc.citation.epage886
dc.identifier.wos000245491500018
dc.identifier.doi10.1016/j.scriptamat.2007.01.033
dc.citation.rankM21a
dc.identifier.scopus2-s2.0-33847735877


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