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Extrinsic pinning of magnetic domain walls in CoFeB-MgO nanowires with perpendicular anisotropy

In this work, we have studied the mechanism of domain wall motion in 0.2-1.5 μm wide nanowires based on Ta/CoFeB/MgO films with perpendicular magnetic anisotropy. We show that domain wall propagation can be completely stopped due to the presence of strong pinning sites along the nanowires. From the...

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Detalhes bibliográficos
Main Authors: Xueying Zhang, Nicolas Vernier, Weisheng Zhao, Laurent Vila, Dafiné Ravelosona
Formato: Artigo
Idioma:Inglês
Publicado em: AIP Publishing LLC 2018-05-01
Colecção:AIP Advances
Acesso em linha:http://dx.doi.org/10.1063/1.5006302
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