Domain wall propagation in wavy ferromagnetic nanowire

H. G. Piao; J. H. Shim; S. H. Lee; D. Djuhana; S. K. Oh; S. C. Yu; D. H. Kim

doi:10.1109/TMAG.2009.2021668

Domain wall propagation in wavy ferromagnetic nanowire

H. G. Piao, J. H. Shim, S. H. Lee, D. Djuhana, S. K. Oh, S. C. Yu, D. H. Kim

Department of Physics

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

20 Citations (Scopus)

Abstract

We have investigated magnetic domain wall propagation behavior in wavy nanowires using micromagnetic simulation. The wire width is set to have sinusoidal distortion with variation of spatial frequency and phase. We have analyzed domain wall speed under a constant external field with variation of wavy geometry. Interestingly, with introduction of proper wavy geometry, domain wall speed becomes faster than the speed of domain wall in a straight wire, where a periodic change of domain wall inner structure has been observed with suppression of vortex structure formation.

Original language	English
Article number	5257294
Pages (from-to)	3926-3929
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	45
Issue number	10
DOIs	https://doi.org/10.1109/TMAG.2009.2021668
Publication status	Published - Oct 2009

Keywords

Domain wall propagation
Ferromagnetic wire
Micromagnetic simulation

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10.1109/TMAG.2009.2021668

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title = "Domain wall propagation in wavy ferromagnetic nanowire",

abstract = "We have investigated magnetic domain wall propagation behavior in wavy nanowires using micromagnetic simulation. The wire width is set to have sinusoidal distortion with variation of spatial frequency and phase. We have analyzed domain wall speed under a constant external field with variation of wavy geometry. Interestingly, with introduction of proper wavy geometry, domain wall speed becomes faster than the speed of domain wall in a straight wire, where a periodic change of domain wall inner structure has been observed with suppression of vortex structure formation.",

keywords = "Domain wall propagation, Ferromagnetic wire, Micromagnetic simulation",

author = "Piao, {H. G.} and Shim, {J. H.} and Lee, {S. H.} and D. Djuhana and Oh, {S. K.} and Yu, {S. C.} and Kim, {D. H.}",

note = "Funding Information: This work was supported by the Korea Research Foundation Grant funded by the Korean government under Grant KRF-2007-331-C00097.",

year = "2009",

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AU - Piao, H. G.

AU - Shim, J. H.

AU - Lee, S. H.

AU - Djuhana, D.

AU - Oh, S. K.

AU - Yu, S. C.

AU - Kim, D. H.

N1 - Funding Information: This work was supported by the Korea Research Foundation Grant funded by the Korean government under Grant KRF-2007-331-C00097.

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N2 - We have investigated magnetic domain wall propagation behavior in wavy nanowires using micromagnetic simulation. The wire width is set to have sinusoidal distortion with variation of spatial frequency and phase. We have analyzed domain wall speed under a constant external field with variation of wavy geometry. Interestingly, with introduction of proper wavy geometry, domain wall speed becomes faster than the speed of domain wall in a straight wire, where a periodic change of domain wall inner structure has been observed with suppression of vortex structure formation.

AB - We have investigated magnetic domain wall propagation behavior in wavy nanowires using micromagnetic simulation. The wire width is set to have sinusoidal distortion with variation of spatial frequency and phase. We have analyzed domain wall speed under a constant external field with variation of wavy geometry. Interestingly, with introduction of proper wavy geometry, domain wall speed becomes faster than the speed of domain wall in a straight wire, where a periodic change of domain wall inner structure has been observed with suppression of vortex structure formation.

KW - Domain wall propagation

KW - Ferromagnetic wire

KW - Micromagnetic simulation

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JF - IEEE Transactions on Magnetics

IS - 10

M1 - 5257294

ER -

Domain wall propagation in wavy ferromagnetic nanowire

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Keywords

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