Upconversion mechanisms in 'Tm POT.3+' doped lead fluoroindogallate glasses
K. Miazato D. F Sousa; A Delben; J. R Delben; S. L Oliveira; Luiz Antônio de Oliveira Nunes; Brazilian Symposium on Glasses and Related Materials (4. 1999 Ouro Preto)
Journal of Non-Crystalline Solids Amsterdam v. 273, p. 246-251, 2000Amsterdam 2000
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