Fig. 1: Origination of FeSiAl:Sn/Al2O3 structure.
a Schematic diagram of the substitution of Sn and formation of Al2O3 by mutual diffusion. b, c Schematic representation of the power loss suppression mechanism in FeSiAl:Sn SMCs. Inter-eddy loss is effectively mitigated through the incorporation of an insulating Al2O3 layer (b). In parallel, hysteresis and intra-eddy losses are suppressed by substituting Sn for Al, which results in a reduction of coercivity and an increase in electrical resistivity (c).
