In this paper,we present a detailed study of the magnetic reversal in the artificial antiferromagnet(SAF)with perpendicular magnetic anisotropy.The four stable magnetic states of the artificial antiferromagnet are determined by the mutual alignment of magnetic moments in the layers and are controlled by both the magnetic interlayer exchange interaction and the Zeeman energy.The hysteresis loops of artificial antiferromagnet with different magnetic field angles were measured.The magnetic field angle changed from the easy magnetization axis(EA)to the hard axis(HA),with the low field plateau progressively tilting to higher derivatives,the switching field increased,and the saturation field also increased.First order reversal curves(FORC)can be utilized to analyze the magnetic reversal behaviors of artificial antiferromagnet varying with external magnetic field angle.
artificial antiferromagnetmagnetic reversalfirst order reversal curves
万方数据
维普
