Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.1404423
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dc.titleTransparent magnetic composites of ZnFe2O4 nanoparticles in silica
dc.contributor.authorZhou, Z.H.
dc.contributor.authorXue, J.M.
dc.contributor.authorChan, H.S.O.
dc.contributor.authorWang, J.
dc.date.accessioned2014-10-16T08:46:42Z
dc.date.available2014-10-16T08:46:42Z
dc.date.issued2001-10
dc.identifier.citationZhou, Z.H., Xue, J.M., Chan, H.S.O., Wang, J. (2001-10). Transparent magnetic composites of ZnFe2O4 nanoparticles in silica. Journal of Applied Physics 90 (8) : 4169-4174. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1404423
dc.identifier.issn00218979
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95342
dc.description.abstractUniformly dispersed zinc ferrite nanoparticles were successfully synthesized in a silica matrix with both the magnetic properties and optical transparency designed in the visible wavelength region. The phases and morphologies of these zinc ferrite particles were examined using x-ray diffraction, Raman spectroscopy and transmission electron microscopy. A much lower formation temperature of ZnFe2O4 in nanocomposites was observed in this study compared to in conventional ceramic processing. The particle size of zinc ferrite was found to vary with the initial drying temperature, suggesting that a well-established silica network provides more confinement to the growth of ZnFe2O4 particles. The magnetic properties, measured at both 78 K and room temperature, exhibit strong dependence on the particle size, and are related to the unusual cation distribution and the surface effect of nanoparticles. The optical properties of the nanocomposites can be adjusted by varying the concentration of the zinc ferrite nanoparticles. Their absorption coefficient remains below 400 cm-1 in the red visible light region. © 2001 American Institute of Physics.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1063/1.1404423
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentMATERIALS SCIENCE
dc.description.doi10.1063/1.1404423
dc.description.sourcetitleJournal of Applied Physics
dc.description.volume90
dc.description.issue8
dc.description.page4169-4174
dc.description.codenJAPIA
dc.identifier.isiut000171562100073
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