Photoluminescence studies on rare earth titanates prepared by self-propagating high temperature synthesis method

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Photoluminescence studies on rare earth titanates prepared by self-propagating high temperature synthesis method

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dc.contributor.author Lyjo K, Joseph
dc.contributor.author Dayas, K R
dc.contributor.author Soniya, Damodar
dc.contributor.author Bindu, Krishnan
dc.contributor.author Krishnankutty, K
dc.contributor.author Nampoori, V P N
dc.contributor.author Radhakrishnan, P
dc.date.accessioned 2011-12-02T06:19:55Z
dc.date.available 2011-12-02T06:19:55Z
dc.date.issued 2008-12-15
dc.identifier.issn 1386-1425
dc.identifier.other Spectrochimica Acta Part A 71 (2008) 1281–1285
dc.identifier.uri http://dyuthi.cusat.ac.in/purl/2583
dc.description.abstract The laser-induced luminescence studies of the rare earth titanates (R2Ti2O7) (R = La, Nd and Gd) using 355 nm radiation from an Nd:YAG laser are presented. These samples with submicron or nanometer size are prepared by the self-propagating high temperature synthesis (SHS) method and there is no known fluorescence shown by these rare earths in the visible region. Hence, the luminescence transitions shown by the La2Ti2O7 near 610 nm and Gd2Ti2O7 near 767 nm are quite interesting. Though La3+ ions with no 4f electrons have no electronic energy levels that can induce excitation and luminescence processes in the visible region, the presence of the Ti3+ ions leads to luminescence in this region. en_US
dc.description.sponsorship Cochin University of Science and Technology,Centre for Materials for Electronics Technology & University of Calicut en_US
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.subject Photoluminescence en_US
dc.subject Rare earth titanates en_US
dc.subject Pyrochlore en_US
dc.subject Self-propagating high temperature synthesis en_US
dc.title Photoluminescence studies on rare earth titanates prepared by self-propagating high temperature synthesis method en_US
dc.type Working Paper en_US
dc.contributor.faculty Technology en_US
dc.identifier.url http://www.sciencedirect.com/science/article/pii/S1386142508002114 en_US


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