Morphology control of hexagonal strontium ferrite micro ...
Jan 11, 2017· Analytical grade starting materials αFe 2 O 3 and SrCO 3 were used for the synthesis of Mtype strontium ferrite (SrFe 12 O 19) by conventional ceramic starting materials αFe 2 O 3 and SrCO 3 (Fe/Sr mole ratio = 11) were mixed by high energy ball milling method using a planetary ball mill with different mill time (2h–10h), with the weight ratio of the balltopowder of 40:1 ...