Effect of sol-gel modifications on formation and morphology of nanocrystalline lanthanum aluminate

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dc.contributor.authorKoç, S. Naci
dc.contributor.authorÖksüzömer, Faruk
dc.contributor.authorYaşar, Erdem
dc.contributor.authorAktürk, Selçuk
dc.contributor.authorGürkaynak, M. Ali
dc.date.accessioned2020-06-25T17:41:18Z
dc.date.available2020-06-25T17:41:18Z
dc.date.issued2006
dc.descriptionOksuzomer, Faruk/0000-0003-0827-8667; Koc, Serkan Naci/0000-0003-4472-4337
dc.description.abstractLaAlO3 powders are prepared by sol-gel method. The effect of preparation conditions on morphological properties and crystal formations are investigated. iso-Propanol/tert-butanol and ethyl acetoacetate/ethylene glycol monomethylether are used solvents and complexing agents, respectively. Samples are dried with conventional and freeze-drying methods and calcined between 600 and 1000 degrees C. TGA, DTA, XRD, SEM and TEM methods are used for characterization. It is observed that freeze-dried sample prepared with tert-butanol has the lowest LaAlO3 formation temperature and uniform rhombohedral crystals. But conventionally dried sample, prepared with iso-propanol has smallest agglomerates at 1000 degrees C and does not show clear crystallization temperature in DTA analysis. The XRD peaks of LaAlO3 crystal are observed at 600 degrees C for all samples prepared by various sol-gel conditions. (C) 2006 Elsevier Ltd. All rights reserved.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.materresbull.2006.04.025
dc.identifier.endpage2297en_US
dc.identifier.issn0025-5408
dc.identifier.issn1873-4227
dc.identifier.issue12en_US
dc.identifier.scopus2-s2.0-33750519230
dc.identifier.scopusqualityQ1
dc.identifier.startpage2291en_US
dc.identifier.urihttps://doi.org10.1016/j.materresbull.2006.04.025
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3679
dc.identifier.volume41en_US
dc.identifier.wosWOS:000242522000015
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofMaterials Research Bulletin
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectnanostructuresen_US
dc.subjectsol-gel chemistryen_US
dc.subjectX-ray diffractionen_US
dc.subjectmicrostructureen_US
dc.titleEffect of sol-gel modifications on formation and morphology of nanocrystalline lanthanum aluminateen_US
dc.typeArticle

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