Optical and radiative properties of Sm3+ions activated alkali-bismuth-germanate glasses Prakash, M. Ravi ; Neelima, G. ; Kummara, Venkata Krishnaiah ; Ravi, N. ; Kiran, N. ; Viswanath, C. S. Dwaraka ; Rao, T. Subba ; Venkatramu, V. Abstract Publication: Journal of Luminescence Pub Date: October 2019 DOI: 10.1016/j.jlumin.2019.116566 Bibcode: 2019JLum..214k6566P