Asymmetric ground state spin configuration of transverse domain wall on symmetrically notched ferromagnetic nanowires

Dede Djuhana; Hong Guang Piao; Sang Hyuk Lee; Dong Hyun Kim; Sung Min Ahn; Sug Bong Choe

doi:10.1063/1.3459965

Asymmetric ground state spin configuration of transverse domain wall on symmetrically notched ferromagnetic nanowires

Dede Djuhana, Hong Guang Piao, Sang Hyuk Lee, Dong Hyun Kim, Sung Min Ahn, Sug Bong Choe

Department of Physics

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

18 Citations (Scopus)

Abstract

We report that a ground state spin configuration around a notch of ferromagnetic nanowires can have either symmetric or asymmetric transverse domain wall structure depending on the notch geometry by means of micromagnetic simulation with a systematic variation in the notch aspect ratio. An asymmetric off-centered domain wall configuration becomes stable for a certain range of the notch aspect ratio.

Original language	English
Article number	022511
Journal	Applied Physics Letters
Volume	97
Issue number	2
DOIs	https://doi.org/10.1063/1.3459965
Publication status	Published - 12 Jul 2010

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abstract = "We report that a ground state spin configuration around a notch of ferromagnetic nanowires can have either symmetric or asymmetric transverse domain wall structure depending on the notch geometry by means of micromagnetic simulation with a systematic variation in the notch aspect ratio. An asymmetric off-centered domain wall configuration becomes stable for a certain range of the notch aspect ratio.",

author = "Dede Djuhana and Piao, {Hong Guang} and Lee, {Sang Hyuk} and Kim, {Dong Hyun} and Ahn, {Sung Min} and Choe, {Sug Bong}",

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AU - Piao, Hong Guang

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AU - Kim, Dong Hyun

AU - Ahn, Sung Min

AU - Choe, Sug Bong

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N2 - We report that a ground state spin configuration around a notch of ferromagnetic nanowires can have either symmetric or asymmetric transverse domain wall structure depending on the notch geometry by means of micromagnetic simulation with a systematic variation in the notch aspect ratio. An asymmetric off-centered domain wall configuration becomes stable for a certain range of the notch aspect ratio.

AB - We report that a ground state spin configuration around a notch of ferromagnetic nanowires can have either symmetric or asymmetric transverse domain wall structure depending on the notch geometry by means of micromagnetic simulation with a systematic variation in the notch aspect ratio. An asymmetric off-centered domain wall configuration becomes stable for a certain range of the notch aspect ratio.

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JO - Applied Physics Letters

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Asymmetric ground state spin configuration of transverse domain wall on symmetrically notched ferromagnetic nanowires

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