Effect of Li+ on frequency upconversion and intrinsic optical bistability of Ho3+/Yb3+ co-doped gadolinium tungstate phosphor

Autor: Yadav, R.V., Singh, A.K., Bahadur, A., Yadav, T.P., Yadav, R.S., Rai, S.B.
Zdroj: In Journal of Physics and Chemistry of Solids August 2018 119:138-146
Databáze: ScienceDirect