Physics – Condensed Matter – Materials Science
Scientific paper
2007-06-12
Physics
Condensed Matter
Materials Science
18 pages, 4 figures
Scientific paper
We report the rectifying effect of a constant-wave radio frequency (RF) current by a magnetic domain wall (DW) on a single-layered ferromagnetic wire. A direct-current (DC) voltage is generated by the spin torque diode effect, which is a consequence of magnetoresistance oscillation due to the resonant spin wave excitation induced by the spin-polarized RF current. The DC voltage spectrum strongly depends on the internal spin structure in the DW, which corresponds to the magnetic fingerprint of the spin structure in the ferromagnetic wire.
Miyajima Hideki
Ono Takafumi
Suzuki Yasuhiro
Yamaguchi Akinobu
Yuasa Shinji
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