DAS, B. B.; RAO, R. G. Sol-Gel Synthesis, Magnetic and Optical Properties of Co2+:Nd3+::2:1 molar ratio doped in SiO2. JOURNAL OF ADVANCES IN CHEMISTRY, [S. l.], v. 11, n. 3, p. 3367–3374, 2015. DOI: 10.24297/jac.v11i3.864. Disponível em: https://rajpub.com/index.php/jac/article/view/864. Acesso em: 9 may. 2024.