| Issue |
Europhys. Lett.
Volume 45, Number 5, March I 1999
|
|
|---|---|---|
| Page(s) | 626 - 632 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1999-00213-1 | |
| Published online | 01 September 2002 | |
Current-induced magnetization reversal in magnetic nanowires
Institut de Physique Experimentale, Ecole Polytechnique
Fédérale de Lausanne
CH-1015 Lausanne, Switzerland
Received:
1
October
1998
Accepted:
23
December
1998
The effect of pulsed currents on magnetization reversal were studied
on single ferromagnetic nanowires of diameter about 80 nm and 6000 nm
length. The magnetization reversal in these wires occurs with a jump
of the magnetization at the switching field Hsw, which
corresponds to unstable states of the magnetization. A pulsed current
of about 
was injected at different values of the
applied field close to Hsw. The injected current triggered the
magnetization reversal at a value of the applied field distant from
the switching field by as much as 20%. This effect of current-induced
magnetization reversal is interpreted in terms of the action of the
spin-polarized conduction electrons on the magnetization.
PACS: 75.40.Gb – Dynamic properties (dynamic susceptibility, spin waves, spin diffusion, dynamic scaling, etc.) / 75.70.Pa – Giant magnetoresistance / 75.60.-d – Domain effects, magnetization curves, and hysteresis
© EDP Sciences, 1999
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