The luminescence of Tm2+ in strontium tetraborate |
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| Institution: | 1. Questrom School of Business, Boston University, Boston, MA, USA;2. Rennes School of Business, Rennes, France;3. Univ Rennes, CNRS, CREM, Rennes, France |
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| Abstract: | The 4f125d→4f13 emission of Tm2+ is observed for the first time. It consists of a red band emission with vibronic structure. For a parity-allowed 4f-5d transition its decay time is long, viz. 230 μs. In addition intraconfigurational 4f13 line emission is observed. The results are compared to 4f-5d emissions of other divalent lanthanides in SrB4O7. |
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