期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 588, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2023.171384
关键词
Magnetization; Nanowires; Domain wall
This study investigates the effects of magnetic nanowire geometry on the width of a transverse domain wall (DW). The results demonstrate that the geometry-induced effective anisotropy is responsible for the contraction or expansion of the DW width.
Spintronic devices using domain walls (DWs) as information carriers require stable high speeds and a clear understanding of their dynamics. The latter strongly depends on the geometry of the magnetic element hosting the DW. This work aims to determine the effects of the geometry on the width of a transverse DW nucleated in a bent magnetic nanowire with a rectangular cross-section. Our results show that a geometry-induced effective anisotropy is responsible for shrinking or stretching the DW width, depending on the direction along which the DW center points (DW phase).
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