%0 Journal Article %T Magnetic and Structural Properties of SrFe12−xCrxO19 (x = 0, 0.25, 0.5, 0.75, 1) Hexaferrite Powders Obtained by Sol – Gel Auto - Combustion Method %A E. Roohani %A Arabi, Hadi %A R.Sarhaddi %A A. Shabani %J Journal of Superconductivity and Novel Magnetism %@ 1557-1939 %D 2017