Nonmagnetic Al3+, Bi3+ and magnetic Cr3+ and Mn3+ for Fe3+ substitution within BaFe12O19 by dynamic hydrothermal method.
The impact of Al3+, Bi3+, Cr3+ and Mn3+ on cation distribution at octahedral and tetrahedral sites.
Evidence of cationic valence variation of bismuth cation.
Variation of hexaferrite magnetic behaviour with substituting ions.
Mn doped BaM enhanced BHmax and reduced Curie temperature.