Synthesis and optical, luminescent, and structural characterization of Er3+-doped germane-tellurite glasses - Ricaldi, José Yitzhak Aarón Chacaliaza; Calderón, Gaston Lozano; Huaman, Jose Luis Clabel; Rodrigues, Ariano de Giovanni; Gonçalves, Rogéria Rocha; Rivera, Victor Anthony Garcia; Messaddeq, Younés; Marega Junior, Euclydes (Brazil MRS Meeting, 2023)