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The multiferroic hexaferrites have aroused much intention in the recent years.Certain amount of Sc substitution in the M-type hexaferrite BaFe12-xScxO19(BFSO)can lead to a conical magnetic structure and exhibit magnetoelectric(ME)effects1.However,the temperature dependent magnetic properties and the room temperature magnetoelectric performances of this material have not been well understood up to now.