Electric Polarization in a Nanosized, Two-Layer, Ferromagnetic Film with Combined Uniaxial and Cubic Anisotropy in the Layers

2021 ◽  
Vol 122 (7) ◽  
pp. 645-650
Author(s):  
N. V. Shul’ga ◽  
R. A. Doroshenko
Keyword(s):  
Ferromagnetic Film ◽  
Electric Polarization ◽  
Cubic Anisotropy

MAGNETIZATION AND INHOMOGENEOUS MAGNETOELECTRIC EFFECT IN A NANO-SIZED TWO-LAYER FERROMAGNETIC FILM WITH A COMBINED UNIAXIAL AND CUBIC ANISOTROPY IN LAYERS

2021 ◽  
Vol 0 (1) ◽  
pp. 23-26
Author(s):  
N.V. SHULGA ◽  
◽  
R.A. DOROSHENKO ◽  
Keyword(s):  
Ground State ◽  
Easy Axis ◽  
Magnetoelectric Effect ◽  
Numerical Study ◽  
Uniaxial Anisotropy ◽  
Polarization Vector ◽  
Ferromagnetic Film ◽  
Electric Polarization ◽  
Ferromagnetic Plate ◽  
Cubic Anisotropy

A numerical study of the magnetization reversal of a two-layer exchange-coupled ferromagnetic plate of finite dimensions, which has a combined uniaxial anisotropy (of the "easy axis" type for the upper layer and «easy plane» for the lower one) and cubic anisotropy with orientation [111]. It is shown that, in the presence of cubic anisotropy, the ground state of magnetization turns out to be uniform in the plane of the film. However, there is discontinuity at the interface between the film layers. This inhomogeneity can lead to the appearance of electric polarization due to the magnetoelectric effect. The electric polarization vector in this case lies in the plane of the film. Its modulus increases with increasing cubic anisotropy. In addition, with an increase in cubic anisotropy, a hysteresis of electrical polarization is observed.

Electric polarization in bi-layered ferromagnetic film with combined magnetic anisotropy

2015 ◽  
Vol 385 ◽  
pp. 60-64 ◽  
Author(s):  
Z.V. Gareeva ◽  
R.A. Doroshenko ◽  
F.A. Mazhitova ◽  
N.V. Shulga
Keyword(s):  
Magnetic Anisotropy ◽  
Ferromagnetic Film ◽  
Electric Polarization
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