Martínez Carreón , M. de J. et al. 2026. Effect of Heat Treatment on the Photoluminescent and Structural Properties of Europium-Doped Yttrium Oxide. Quimica Hoy. 15, 02 (jun. 2026), 12–20. DOI:https://doi.org/10.29105/qh15.02-527.