Effect of changing magnetite percentage on structural and magnetic properties of cobalt ferrite prepared by the sol-gel method. Experimental and Theoretical NANOTECHNOLOGY, [S. l.], v. 10, p. 277–287, 2026. DOI: 10.56053/10.S.277. Disponível em: https://etnano.com/index.php/journal/article/view/207.. Acesso em: 21 sep. 2026.