Answers are grounded in this paper and cite their sources.
Appreciable enhancement of the UC emission bands due to incorporation of Zn²⁺ and Mg²⁺ ions in Tm³⁺–Yb³⁺ codoped La₂O₃ phosphor can be visualized from the figure.
No takes yet. Share an insight, caveat, or question.
Kumari et al. (2014) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: