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(Color online) (a) Scanning-electron-microscope image of the fabricated lateral spin valve consisting of a Py disk and a Py wire. Lorentz microscope images with the chiralities of (b) CW and (c) CCW.
(Color online) (a) Nonlocal spin-valve signals measured with the current probes 1 and 8 and the voltage probe 4 and 5 measured at . The magnetization configurations of the disk (b) in the negative sweep and (c) in the positive sweep expected from the NLSV signal.
(Color online) Minor loops of the NLSV signal with the domain structure of the disk (a) in the field range from and (b) from .
(Color online) (a) Nonlocal spin-valve signals with the current probes 4 and 5 and the voltage probes 1 and 8 measured at . The magnetization configurations of the disk and the wire (b) in the negative sweep and (c) in the positive sweep expected from the NLSV signal.
(Color online) Schematic illustrations of the current-induced Oersted field with the magnetization configurations around (a) the field of the vortex nucleation and (b) that of the vortex displacement from the center to the bottom edge. The illustration enclosed by the dotted line is effective for each case.
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