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Micromagnetic analysis of a magnetic domain wall in 2-d and 3-d nanocontacts

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6 Author(s)
Komine, Takashi ; Dept. of Media & Telecommun. Eng., Ibaraki Univ., Japan ; Takahashi, Tomohiro ; Ishii, S. ; Sugita, Ryuji
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We have performed micromagnetic calculations of magnetic domain walls in two-dimensional (2-D) and three-dimensional (3-D) nanocontacts and estimate the domain wall widths. The magnetic domain wall in a 3-D nanocontact is smaller than that in a 2-D nanocontact due to the larger magnetic volume available to pin the magnetization in the antiparallel configuration of the electrodes. Therefore, 3-D nanocontacts are more suitable than 2-D nanocontacts for domain wall confinement and large magnetoresistance effects.

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Magnetics, IEEE Transactions on  (Volume:41 ,  Issue: 10 )