Current-driven domain-wall depinning

J. He; Z. Li; S. Zhang

doi:10.1063/1.1957122

Current-driven domain-wall depinning

J. He, Z. Li, S. Zhang

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

42 Scopus citations

Abstract

The characteristics of magnetic domain-wall depinning driven by a spin transfer torque are dramatically different compared to those driven by a conventional magnetic field. By using the recently derived formalism of the spin torque, we describe key features in the dynamics of geometrically confined domain walls. We numerically calculated the pinning-depinning phase boundary in the presence of the external field and the current.

Original language	English (US)
Article number	016108
Journal	Journal of Applied Physics
Volume	98
Issue number	1
DOIs	https://doi.org/10.1063/1.1957122
State	Published - Jul 1 2005
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.1957122

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title = "Current-driven domain-wall depinning",

abstract = "The characteristics of magnetic domain-wall depinning driven by a spin transfer torque are dramatically different compared to those driven by a conventional magnetic field. By using the recently derived formalism of the spin torque, we describe key features in the dynamics of geometrically confined domain walls. We numerically calculated the pinning-depinning phase boundary in the presence of the external field and the current.",

author = "J. He and Z. Li and S. Zhang",

note = "Funding Information: This work was supported by NSF (ECS-0223568) and MU Research Board. ",

year = "2005",

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N2 - The characteristics of magnetic domain-wall depinning driven by a spin transfer torque are dramatically different compared to those driven by a conventional magnetic field. By using the recently derived formalism of the spin torque, we describe key features in the dynamics of geometrically confined domain walls. We numerically calculated the pinning-depinning phase boundary in the presence of the external field and the current.

AB - The characteristics of magnetic domain-wall depinning driven by a spin transfer torque are dramatically different compared to those driven by a conventional magnetic field. By using the recently derived formalism of the spin torque, we describe key features in the dynamics of geometrically confined domain walls. We numerically calculated the pinning-depinning phase boundary in the presence of the external field and the current.

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Current-driven domain-wall depinning

Abstract

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