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The magnetic properties of the prepared La or Pr substituted barium hexaferrites, Ba 1−x (La or Pr) x Fe 12 O 19 with x =0. download suara burung kacer fighter 00–0 20, could be enhanced by partial substitution of the rare earths at the Ba sites Substitution of La or Pr ions into the barium hexaferrite system can be utilized for improvement of both saturation magnetization