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Villanueva Delgado, Pedro; Krämer, Karl; Valiente, Rafael; de Jong, Mathijs; Meijerink, Andries (2016). Modeling blue to UV upconversion in β-NaYF 4 :Tm 3+. Physical Chemistry Chemical Physics, 18(39), pp. 27396-27404. Royal Society of Chemistry 10.1039/C6CP04347J
de Jong, Mathijs; Biner, Daniel; Krämer, Karl; Barandiarán, Zoila; Seijo, Luis; Meijerink, Andries (2016). New Insights in 4f 12 5d 1 Excited States of Tm 2+ through Excited State Excitation Spectroscopy. The journal of physical chemistry letters, 7(14), pp. 2730-2734. American Chemical Society 10.1021/acs.jpclett.6b00924
