The use of cathodoluminescence for development of durable self-glowing crystals based on solid solutions YPO4--EuPO4
Burakov B.E.1, Garbuzov V.M.1, Kitsay A.A.1, Zirlin V.A.1, Petrova M.A.1, Domracheva Ya.V.2, Zamoryanskaya M.V.2, Kolesnikova E.V.2, Yagovkina M.A.2, Orlova M.P.3
1V.G. Khlopin Radium Institute, St. Petersburg, Russia
2Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, Russia
3Nizhegorodskiy State University, Nizhniy Novgorod, Russia
Выставление онлайн: 19 марта 2007 г.
Local cathodoluminescence spectroscopy has been suggested for development of durable self-glowing crystals based on crystalline solid solutions (Y,Eu)PO4. Nonradioactive ions of Eu3+ in these crystals cause strong luminescence in visible range initiated by small admixture (less than 1 wt%) of alpha-radioactive 238Pu. The intensity of self-glowing depends on Y : Eu ratio and 238Pu content. Optimal Y : Eu ratio responsible for the most intensive luminescence was identified. Principal features of cathodoluminescence emission in (Y,Eu)PO4 crystals of various chemical compositions are being discussed. PACS: 78.60.Hk
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