Please use this identifier to cite or link to this item: https://open.uns.ac.rs/handle/123456789/15503
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dc.contributor.authorHadnadjev M.en
dc.contributor.authorVulic T.en
dc.contributor.authorMarinkovic-Neducin R.en
dc.contributor.authorSuchorski Y.en
dc.contributor.authorWeiss H.en
dc.date.accessioned2020-03-03T15:00:14Z-
dc.date.available2020-03-03T15:00:14Z-
dc.date.issued2008-05-15en
dc.identifier.issn01694332en
dc.identifier.urihttps://open.uns.ac.rs/handle/123456789/15503-
dc.description.abstractMixed oxides with large surface area and high thermal stability can be obtained by thermal treatment of the layered double hydroxides (LDH). Mg-Al-Fe mixed oxide samples with varying Mg/Al ratio and 5 mol.% of Fe were prepared in this way and the iron oxidation state (Fe ox ) in these compounds was studied by X-ray photoelectron spectroscopy (XPS), using a calibration based on the relation of Fe ox to the splitting between the O 1s and Fe 2p 3/2 centroids. The XPS results confirm Fe 3+ as a dominant oxidation state in the studied mixed oxides. A vacuum-induced reduction of iron in the Fe 2 O 3 and Mg-Al-Fe oxide samples has been observed and an influence of the Mg:Al ratio on this effect in mixed oxides has been detected. The role of the local variations of the electron density distribution in the close neighbourhood of the surface oxygen atoms in the mixed oxides in the reduction processes is discussed. © 2008 Elsevier B.V. All rights reserved.en
dc.relation.ispartofApplied Surface Scienceen
dc.titleThe iron oxidation state in Mg-Al-Fe mixed oxides derived from layered double hydroxides: An XPS studyen
dc.typeJournal/Magazine Articleen
dc.identifier.doi10.1016/j.apsusc.2008.01.063en
dc.identifier.scopus2-s2.0-42749095869en
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/42749095869en
dc.relation.lastpage4302en
dc.relation.firstpage4297en
dc.relation.issue14en
dc.relation.volume254en
item.grantfulltextnone-
item.fulltextNo Fulltext-
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