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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4759
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dc.contributor.authorRahulan, Mani K.-
dc.contributor.authorVinitha, G.-
dc.contributor.authorGanesan, S.-
dc.contributor.authorPhilip, Reji-
dc.contributor.authorAruna, P.-
dc.date.accessioned2012-06-22T12:22:38Z-
dc.date.available2012-06-22T12:22:38Z-
dc.date.issued2012-
dc.identifier.citationJournal of Materials Science, 2012, Vol.23, p877en
dc.identifier.issn0957-4522-
dc.identifier.issn1573-482X (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/4759-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractWe report the spectral and optical limiting properties of two kinds of HAP nanoparticles (pure HAP and HAP@SiO2 core–shell nanoparticles) that were wet-chemically prepared and coated with silica by means of Stober method. The size, framework substitution and silica coating formation of the resultant particles were confirmed by Transmission Electron Microscopy, X-ray diffraction, Fourier Transform Infrared Spectroscopy and Thermogravimetric analysis. The nonlinear optical limiting properties of HAP and HAP@SiO2 nanoparticles suspended in ethylene glycol is studied at 532 nm using 5 ns Nd:YAG laser pulses. Observations indicate that effective three-photon absorption is found to be responsible for strong optical limiting characteristics in these nanoparticles and it is seen that the optical nonlinearity is enhanced in core–shell structures as compared with single counterparts. The nonlinear optical parameters calculated from the data show that these materials are efficient optical limiters.en
dc.language.isoenen
dc.publisherSpringer Verlagen
dc.relation.uriDOI: 10.1007/s10854-011-0510-yen
dc.rights2012 Springer Verlagen
dc.titleSynthesis and optical limiting studies of HA(P) and HA(P)@SiO2 core-shell nanoparticlesen
dc.typeArticleen
Appears in Collections:Research Papers (LAMP)

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