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Formation of epsilon-Fe2O3 phase by the heat treatment of alpha-Fe2O3/SiO2 nanocomposite

dc.creatorTadić, Marin
dc.creatorSpasojević, Vojislav
dc.creatorKusigerski, Vladan
dc.creatorMarković, Dragana
dc.creatorRemskar, Maja
dc.date.accessioned2018-03-01T20:20:17Z
dc.date.available2018-03-01T20:20:17Z
dc.date.issued2008
dc.identifier.issn1359-6462
dc.identifier.urihttps://vinar.vin.bg.ac.rs/handle/123456789/3384
dc.description.abstractStarting from a nanocomposite consisting of 4 nm hematite nanoparticles embedded in a silica matrix (30 wt.% hematite) and by applying heat treatments at increasing temperatures up to 1050 degrees C, gradual formation of epsilon-Fe2O3 phase was obtained. Besides representing a new synthesis route of epsilon-Fe2O3 phase, the results obtained in this work indicate that under certain conditions hematite nanoparticles are not thermally stable. Hence, like other ferric oxide polymorphs, nanosized hematite can undergo thermally triggered, size-induced structural phase transitions. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.en
dc.rightsrestrictedAccessen
dc.sourceScripta Materialiaen
dc.subjectnanocrystalline materialsen
dc.subjectphase transformationsen
dc.subjectHigh-resolution electron microscopy (HRTEM)en
dc.subjectmagnetic propertiesen
dc.titleFormation of epsilon-Fe2O3 phase by the heat treatment of alpha-Fe2O3/SiO2 nanocompositeen
dc.typearticleen
dcterms.abstractМарковиц, Драгана; Ремскар, Маја; Тадић Марин; Спасојевић Војислав; Кусигерски Владан;
dc.citation.volume58
dc.citation.issue8
dc.citation.spage703
dc.citation.epage706
dc.identifier.wos000254197600022
dc.identifier.doi10.1016/j.scriptamat.2007.12.009
dc.citation.rankM21a
dc.identifier.scopus2-s2.0-39149113439


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