Figure 5
From: Nonlinear magnetoelectric effects in Al-substituted strontium hexaferrite

Frequency shift for magnetostatic modes in (a) multidomain and (b) single domain states as a function of power density under application of electric current for aluminum substituted strontium hexaferrites SrAlxFe12−xO19 for x = 0. 0.4 and 0.8.