Investigation of the mechanisms of upconversion luminescence in Ho3+ doped CaF2 crystals and ceramics upon excitation of 5I7 level
| Autor: | Lyapin, A.A., Ryabochkina, P.A., Chabushkin, A.N., Ushakov, S.N., Fedorov, P.P. |
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| Zdroj: | In Journal of Luminescence November 2015 167:120-125 |
| Databáze: | ScienceDirect |
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