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Phase diagram of magnetic domain walls in spin valve nano-stripes
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) Cross-sectional sketch of a head-to-head domain wall and the associated charge in a spin valve. Plane views of a vortex wall and transverse wall in a 300 nm-wide, (b) single layer of Py(5 nm), and (c) a Co(5 nm)/Cu(5 nm)/Py(5 nm) spin valve. (d) Thickness-integrated maps of magnetization from (c), see Eq. (1). The red (blue) color indicates the positive (negative) transverse component of magnetization, normalized to the magnetization of the layer under focus in (b) and (c) and to half the magnetization of Co in (d).

Image of FIG. 2.
FIG. 2.

Phase diagram of head-to-head domain walls in stripes, with the boundary between symmetric and asymmetric TWs (▵), and TW and VW (°) in a single layer, and asymmetric TW and VW in a spin valve (). From bottom to top, the three lines are a fit to the TW-VW data for a single layer, a thickness translation of the former to fit the TW-VW data for a spin valve, and another thickness translation with , see Eq. (3) and text for details.

Image of FIG. 3.
FIG. 3.

Thickness shift of the iso-energy line in a spin valve compared to a single layer, for w = 100 nm and .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phase diagram of magnetic domain walls in spin valve nano-stripes