Anomalous luminescence of Sm2+ in LaF3 crystals
Radzhabov E A1
1Vinogradov Institute of Geochemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk, Russia
Email: eradzh@igc.irk.ru
In LaF3-Sm2+ crystals, a broadband structureless luminescence band with a maximum at about 1230 nm was detected upon excitation into the region of 4f-5d transitions in samarium Sm2+ ions. By close analogy with the optical spectra of red luminescence in LaF3-Eu2+, the observed luminescence was attributed to anomalous luminescence. Keywords: luminescence, lanthanides, samarium, absorption spectra
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