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dc.contributor.author Karali, T.
dc.contributor.author Townsend, P. D.
dc.contributor.author Rowland, A. P.
dc.contributor.author Tyagi, A. K.
dc.date.accessioned 2011-10-18T09:13:46Z
dc.date.available 2011-10-18T09:13:46Z
dc.date.issued 2002
dc.identifier.citation Karali , T , Townsend , P D , Rowland , A P & Tyagi , A K 2002 , ' Spectrally resolved luminescence of undoped and Dy3+ doped Na2SO4 ' Radiation Protection Dosimetry , vol 100 , no. 1-4 , pp. 1-4 . en
dc.identifier.issn 1742-3406
dc.identifier.other PURE: 1518991
dc.identifier.other dspace: 2160/7612
dc.identifier.uri http://hdl.handle.net/2160/7612
dc.identifier.uri http://rpd.oxfordjournals.org/content/100/1-4/55.abstract en
dc.description Rowlands, A. P., Tyagi, A. K., Karali, T., Townsend, P. D. (2002). Spectrally resolved luminescence of undoped and Dy3+ doped Na2SO4. Radiation Protection Dosimetry, 100 (1-4), 55-60. 13th International Conference on Solid State Dosimetry, Athens, Greece, 9-13 July 2001. en
dc.description.abstract Structural phase transitions influence the luminescence characteristics by modifying the spectra, sensitivity and luminescence efficiency in each phase. This has implications for dosimetric materials both for sensitivity and reproducibility. Previous work with dosemeter materials has not documented effects of different phases on thermoluminescence but Na2SO4 exists in several phases in the temperature range of interest for thermoluminescence dosimetry. Therefore spectrally resolved TL and radiothermoluminescence analyses of undoped and Dy3+ doped Na2SO4 have been performed. Dramatic differences between TL of slow cooled and quenched Na2SO4:Dy are explained in terms of the initial phase of the samples at room temperature. For undoped material the effect of phase conversions during heating shift the wavelengths of the emission bands. A model of Dy in small precipitate phases is considered. en
dc.format.extent 4 en
dc.language.iso eng
dc.relation.ispartof Radiation Protection Dosimetry en
dc.title Spectrally resolved luminescence of undoped and Dy3+ doped Na2SO4 en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.contributor.institution Institute of Geography & Earth Sciences en
dc.contributor.institution Quaternary Environmental Change Group en
dc.description.status Non peer reviewed en


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