ASGHAR, M. S. Synthesis and Characterization of Calcium Based Nickel Substituted R-Type Hexaferrites. JOURNAL OF NANOSCOPE (JN), [S. l.], v. 7, n. 1, p. 41–57, 2026. DOI: 10.52700/jn.v7i1.123. Disponível em: http://jn.wum.edu.pk/index.php/ojs/article/view/123. Acesso em: 11 oct. 2026.