Tunable random lasing in dye-doped mesoporous silica SBA-15 - De Vicente, Fábio Simões; Moreno, Leandro X.; Prado, Marcus V. A.; Abegão, Luis Miguel Gomes; Melo, Leandro A.; Rodrigues Junior, José J.; Alencar, Márcio A. R. C. (Physical Review Materials, 2021)