期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 24, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/24/2/024205
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资金
- EPSRC [EP/F069359/1, EP/G032300/1]
- EPSRC [EP/F069359/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F069359/1] Funding Source: researchfish
Micromagnetic and analytical models are used to investigate how in-plane uniaxial anisotropy affects transverse and vortex domain walls in nanowires where shape anisotropy dominates. The effect of the uniaxial anisotropy can be interpreted as a modification of the effective wire dimensions. When the anisotropy axis is aligned with the wire axis (theta(a) = 0), the wall width is narrower than when no anisotropy is present. Conversely, the wall width increases when the anisotropy axis is perpendicular to the wire axis (theta(a) = pi/2). The anisotropy also affects the nanowire dimensions at which transverse walls become unstable. This phase boundary shifts to larger widths or thicknesses when theta(a) = 0, but smaller widths or thicknesses when theta(a) = pi/2.
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