Spectroscopic and photoluminescence studies on optically transparent magnetic nanocomposites based on sol–gel glass: Fe3O4

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Spectroscopic and photoluminescence studies on optically transparent magnetic nanocomposites based on sol–gel glass: Fe3O4

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dc.contributor.author Senoy, Thomas
dc.contributor.author Sakthikumar, D
dc.contributor.author Yoshida, Yasuhiko
dc.contributor.author Anantharaman, M R
dc.date.accessioned 2012-04-02T06:35:49Z
dc.date.available 2012-04-02T06:35:49Z
dc.date.issued 2008
dc.identifier.issn 1388-0764
dc.identifier.other Journal of Nanoparticle Research (2008) 10:203–206
dc.identifier.uri http://dyuthi.cusat.ac.in/purl/2843
dc.description.abstract Sol–gel glasses with Fe3O4 nanoparticles having particle sizes laying in the range 10–20 nm were encapsulated in the porous network of silica resulting in nanocomposites having both optical and magnetic properties. Spectroscopic and photoluminescence studies indicated that Fe3O4 nanocrystals are embedded in the silica matrix with no strong Si–O–Fe bonding. The composites exhibited a blue luminescence. The optical absorption edge of the composites red shifted with increasing concentration of Fe3O4 in the silica matrix. There is no obvious shift in the position of the luminescence peak with the concentration of Fe3O4 except that the intensity of the peak is decreased. The unique combinations of magnetic and optical properties are appealing for magneto–optical applications. en_US
dc.language.iso en en_US
dc.publisher Springer en_US
dc.subject sol–gel en_US
dc.subject nanocomposites en_US
dc.subject ferrofluids en_US
dc.subject infra red spectroscopy en_US
dc.subject photoluminescence en_US
dc.subject optical properties en_US
dc.title Spectroscopic and photoluminescence studies on optically transparent magnetic nanocomposites based on sol–gel glass: Fe3O4 en_US
dc.type Working Paper en_US


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