Abstract
On the basis of the method of gyrotropic Thiele forces, we build a formalism that allows the determination of the effective mass of the nanoscales structural elements of the domain wall (DW): vertical Bloch line and Bloch point in uniaxial ferromagnets. As shown, the effective mass of these magnetic inhomogeneities depends on the value of the gyrotropic domain wall bend that is created by their movement.Electronic supplementary materialThe online version of this article (doi:10.1186/s11671-015-0861-z) contains supplementary material, which is available to authorized users.
Highlights
The study of structural localized inhomogeneities of the domain walls (DWs) of domain-containing magnetic materials is one of the topical problems in the solid state physics
The dependence of the effective mass on the DW gyrotropic bend value caused by the motion of the Bloch lines (BLs) indicates an inertial character of mL
We have created a simplified formalism for finding of the effective mass of structural inhomogeneities of the DW - the vertical Bloch line and Bloch point in different domain systems of uniaxial ferromagnetic materials
Summary
The study of structural localized inhomogeneities of the domain walls (DWs) of domain-containing magnetic materials is one of the topical problems in the solid state physics. Magnetization vector M in the DWs of uniaxial ferromagnets: the vertical Bloch lines (BLs) and Bloch points (BPs) (see [1] and review [2]). BLs and BPs are considered as promising carriers of information in high performance memory devices with a superdense magnetic memory [3]. Some provisions that characterize the given inhomogeneities require more detailed consideration. One of these problems is to determine mL,BP - the effective masses of the vertical BL and BP.
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