High coercivity induced by mechanical milling in cobalt ferrite powders

Journal of Magnetism and Magnetic Materials v. 344, p. 182-187, 2013 1.826 10.1016/j.jmmm.2013.05.056 Ponce, A. S.; Chagas, E. F.; Prado, R. J.; Fernandes, C. H. M.; Terezo, A. J.; Baggio-Saitovich, E. 2013