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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including those from the School of Psychological Sciences & Health - but also papers by researchers based within the Faculties of Science, Engineering, Humanities & Social Sciences, and from the Strathclyde Business School.

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Persistent phosphorescence in Ce-doped Lu2SiO5

Yamaga, Mitsuo and Ohsumi, Yusuke and Nakayama, Tomomi and Han, Thomas P. J. (2012) Persistent phosphorescence in Ce-doped Lu2SiO5. Optical materials express, 2 (4). pp. 413-419. ISSN 2159-3930

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Abstract

Oxide crystals doped with Ce3+ are useful in areas such as scintillators and passive optical sources. Scintillator materials require high light-yield and fast luminescence decay time. However, when the crystalline quality is degraded by defects created during the crystal growth process, afterglow from the crystals is observed. The persistent phosphorescence observed in Lu2SiO5 doped with Ce3+ ions has been investigated in detail and a model is proposed to explain the mechanism responsible for the phosphorescence.