Fig. 12

(a) M-H loops (b) Zoom view of Hc and Mr (c) Variation of magnetic parameters (Ms, Hc, Mr, nB) (d) M vs 1/H2 plots for the prepared hexaferrites.
(a) M-H loops (b) Zoom view of Hc and Mr (c) Variation of magnetic parameters (Ms, Hc, Mr, nB) (d) M vs 1/H2 plots for the prepared hexaferrites.