Shape-dependent depinning of a domain wall by a magnetic field and a spin-polarized current

N. Logoboy; B. Ya Shapiro; E. B. Sonin

doi:10.1103/PhysRevB.82.094419

Shape-dependent depinning of a domain wall by a magnetic field and a spin-polarized current

N. Logoboy, B. Ya Shapiro, E. B. Sonin

Department of Physics

Hebrew University of Jerusalem

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The effect of sample shape on the depinning of the domain-wall (DW) driven by an applied magnetic field or a spin-polarized current is studied theoretically. The shape effect resulting from the modulation of the sample width (geometric pinning) can essentially affect the DW depinning. We found a good agreement between the ratios of the critical values of the magnetic field and the spin-polarized current predicted by the theory and measured in the experiment.

Original language	English
Article number	094419
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	82
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.82.094419
State	Published - 13 Sep 2010

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10.1103/PhysRevB.82.094419

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abstract = "The effect of sample shape on the depinning of the domain-wall (DW) driven by an applied magnetic field or a spin-polarized current is studied theoretically. The shape effect resulting from the modulation of the sample width (geometric pinning) can essentially affect the DW depinning. We found a good agreement between the ratios of the critical values of the magnetic field and the spin-polarized current predicted by the theory and measured in the experiment.",

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Shape-dependent depinning of a domain wall by a magnetic field and a spin-polarized current

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