Fig. 7

(a) M-H graph (b) Zoom view of Hc and Mr (c) M vs. 1/H2 plots (d) Change of magnetic parameters as a function of doping for the prepared hexaferrites.

(a) M-H graph (b) Zoom view of Hc and Mr (c) M vs. 1/H2 plots (d) Change of magnetic parameters as a function of doping for the prepared hexaferrites.