1. Power dependent upconversion in Er3+/Yb3+ co-doped BiNbO4 phosphors. Issue 6 (1st May 2016) Authors: Sales, A.J.M.; Sousa, D.G.; Rodrigues, H.O.; Costa, M.M.; Sombra, A.S.B.; Freire, F.N.A.; Soares, M.J.; Graça, M.P.F.; Kumar, J. Suresh Journal: Ceramics international Issue: Volume 42:Issue 6(2016) Page Start: 6899 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Structural characterization of Brazilian niobium pentoxide and treatment to obtain the single phase (H-Nb2O5). (1st October 2021) Authors: da Cruz, J.A.; Volnistem, E.A.; Ferreira, R.F.; Freitas, D.B.; Sales, A.J.M.; Costa, L.C.; Graça, M.P.F. Journal: Thermal science and engineering progress Issue: Volume 25(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗