Enhanced Domain Wall Motion in the Spin Valve Nanowires

Details Enhanced Domain Wall Motion in the Spin Valve Nanowires Enhanced Domain Wall Motion in the Spin Valve Nanowires

2008-11-20

arxiv.org/abs/0811.3309v2

Physics

Condensed Matter

Materials Science

3 pages, 1 figure, submitted to Phys. Rev. B

Scientific paper

According to the recent experiment by the Fert group, the velocity of domain wall motion in the spin valve ferromagnetic nanowires was almost doubly enhanced compared to the old value. In this work, we propose an additional torque model, arising from the interlayer exchange interaction, which can enhance or suppress the domain wall velocity depending on the sign of the exchange constant or the wall motion direction relative to the magnetization orientation of the fixed layer.

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