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hal.structure.identifierDepartment of Chemical Engineering and Chemistry
dc.contributor.authorSHAFI, Kurikka V. P. M.
hal.structure.identifierDepartment of Chemical Engineering and Chemistry
dc.contributor.authorULMAN, Abraham
hal.structure.identifierDepartment of Chemical Engineering and Chemistry
dc.contributor.authorDYAL, Ansil
hal.structure.identifierUniversity at Albany - Department of Chemistry
dc.contributor.authorYAN, Xingzhong
hal.structure.identifierUniversity at Albany - Department of Chemistry
dc.contributor.authorYANG, Nan-Loh
hal.structure.identifierInstitut de Physique et Chimie des Matériaux de Strasbourg [IPCMS]
dc.contributor.authorESTOURNÈS, Claude
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorFOURNÈS, Léopold
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorWATTIAUX, Alain
hal.structure.identifierDepartment of Materials Sciences and Engineering
dc.contributor.authorWHITE, Henry
hal.structure.identifierDepartment of Materials Sciences and Engineering
dc.contributor.authorRAFAILOVICH, Miriam
dc.date.issued2002
dc.identifier.issn0897-4756
dc.description.abstractEnWe show that sonochemistry is an efficient and facile route for quantitative coating of γ-Fe2O3 nanoparticles with octadecyltrihydrosilane (OTHS, CH3(CH2)17SiH3). The presence of C−H stretching (2950−2850 cm-1) and bending (1475−1375 cm-1) bands, and the absence of peaks at 2150 and 925 cm-1 (Si−H stretching and bending respectively) confirm the presence of grafted hydrocarbon chains in the irradiated sample, hence the reaction of OTHS with γ-Fe2O3 nanoparticles. The coated nanoparticles show increased magnetization compared to the uncoated ones. X-ray diffraction, magnetization studies, Mössbauer spectra, and electron paramagnetic resonance spectra reveal that the magnetic ordering is more prominent in the OTHS-coated γ-Fe2O3 sample because of improved crystallinity.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enMagnetism
dc.subject.enNanoparticles
dc.subject.enSonochemistry
dc.subject.enCoating
dc.subject.enIron oxide
dc.title.enMagnetic enhancement of g-Fe2O3 nanoparticles by sonochemical coating
dc.typeArticle de revue
dc.identifier.doi10.1021/cm011535+
dc.subject.halChimie/Matériaux
bordeaux.journalChemistry of Materials
bordeaux.page1778-1787
bordeaux.volume14
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-00713091
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00713091v1
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