Probing energy transfer mechanism via the upconversion spectra of Tm3+/Yb3+:LiNbO3 by tri-doping with Ba2+ in different site occupations
| Autor: | Liu, Zhihua, Zhu, Yunzhong, Wang, Wenjia, Ma, Decai, Wang, Biao |
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| Zdroj: | In Journal of Alloys and Compounds 5 June 2020 825 |
| Databáze: | ScienceDirect |
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