Optical and Structural Analysis of Ho3+ Ion Doped Sodium zirconium Silicate Gasses. International Journal of Current Engineering and Technology, [S. l.], v. 4, n. 2, p. 873–878, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/631. Acesso em: 11 apr. 2026.