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A schematic of the nanowire structure showing the magnetic fields ( and ) and the magnetization states as a function of the counterclockwise rotating magnetic field from (a) to (d). The laser spot position for the MOKE measurements is indicated by the dotted ellipse in (a). DW denotes the domain wall position when a wall is present. Not to scale.
Averaged magnetization hysteresis loops showing the switching fields of a wide wire in transverse fields of amplitude , , , and (a–d) and a wide wire in transverse fields of 0 amplitude Oe, , , and (e–h).
“Single-shot” magnetization hysteresis loops showing: (a) and (b) two different switching fields in a wide wire with the same amplitude transverse field present in both and (c) and (d) two-stage switching in a wide wire in transverse fields of amplitude and , respectively.
Phase diagrams of the transverse, , and longitudinal , fields at the instant that switching steps occurs in the wide wires (◆) and the wide wires (엯). Each step in a multistep switch is plotted separately.
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