P Singh,
RS Yadav, P Singh, SB Rai - Journal of Alloys and Compounds, 2021 - Elsevier
In this work, we report a comparative study on upconversion and downshifting properties of
Ho 3+-Yb 3+ co-doped ATiO 3 (A= Ca, Ba & Sr) perovskite phosphors for the first time. The …