Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0254-0584(02)00052-4
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dc.titleNanocomposites of ZnFe2O4 in silica: Synthesis, magnetic and optical properties
dc.contributor.authorZhou, Z.H.
dc.contributor.authorXue, J.M.
dc.contributor.authorChan, H.S.O.
dc.contributor.authorWang, J.
dc.date.accessioned2014-10-16T08:48:24Z
dc.date.available2014-10-16T08:48:24Z
dc.date.issued2002-04-28
dc.identifier.citationZhou, Z.H., Xue, J.M., Chan, H.S.O., Wang, J. (2002-04-28). Nanocomposites of ZnFe2O4 in silica: Synthesis, magnetic and optical properties. Materials Chemistry and Physics 75 (1-3) : 181-185. ScholarBank@NUS Repository. https://doi.org/10.1016/S0254-0584(02)00052-4
dc.identifier.issn02540584
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95484
dc.description.abstractTransparent magnetic nanocomposites with zinc ferrite nanoparticles uniformly dispersed in silica matrix have been successfully synthesized. Due to the compositional homogeneity in the starting precursor, a much lowered formation temperature of ZnFe2O4 in the nanocomposites was observed as compared to that in the conventional ceramic processing. Studies of the influence of the initial drying temperature on particle size of zinc ferrite suggest that a well-established silica network provides more confinement to the growth of ZnFe2O4 particles. The magnetic properties exhibit a strong dependence on the particle size as a result of the unusual cation distribution and the surface effect. The optical properties of the nanocomposites can be adjusted by varying the concentration of zinc ferrite nanoparticles in the amorphous silica matrix. The absorption edge at around 600 nm is blue shifted by 0.65eV when the loading of ZnFe2O4 particles is decreased from 30 to 5wt.%, while the absorption coefficient remains below 400cm-1 in the red visible region. © 2002 Elsevier Science B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S0254-0584(02)00052-4
dc.sourceScopus
dc.subjectNanocomposites
dc.subjectSilica matrix
dc.subjectZnFe2O4 particles
dc.typeConference Paper
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentMATERIALS SCIENCE
dc.description.doi10.1016/S0254-0584(02)00052-4
dc.description.sourcetitleMaterials Chemistry and Physics
dc.description.volume75
dc.description.issue1-3
dc.description.page181-185
dc.description.codenMCHPD
dc.identifier.isiut000174897700038
Appears in Collections:Staff Publications

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