Imaging magnetic flux-closure domains and domain walls in electroless-deposited CoNiB nanotubes. Staňo, M., Schaefer, S., Wartelle, A., Rioult, M., Belkhou, R., Sala, A., Menteş, T. O., Locatelli, A., Cagnon, L., Trapp, B., Bochmann, S., Martin, S., Gautier, E., Toussaint, J., Ensinger, W., & Fruchart, O. arXiv:1704.06614 [cond-mat], April, 2017. arXiv: 1704.06614![Imaging magnetic flux-closure domains and domain walls in electroless-deposited CoNiB nanotubes [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex We report the fabrication and magnetic imaging of high-aspect ratio CoNiB nanotubes. With XMCD-PEEM we evidence multiple magnetic domains and domain walls in these nanotubes. Surprisingly, magnetization in the domains is orthoradial (azimuthal, vortex-like), a situation not anticipated by theory for long nanotubes. The material is therefore technologically appealing for a dense 3D magnetic device such as the racetrack memory (based on shifting magnetic walls), as flux-closure domains should efficiently prevent cross-talk related to internal dipolar fields. Further, we show tuning of a growth-induced anisotropy and thus of the magnetic state of the tube by annealing.
@article{stano_imaging_2017,
title = {Imaging magnetic flux-closure domains and domain walls in electroless-deposited {CoNiB} nanotubes},
url = {http://arxiv.org/abs/1704.06614},
abstract = {We report the fabrication and magnetic imaging of high-aspect ratio CoNiB nanotubes. With XMCD-PEEM we evidence multiple magnetic domains and domain walls in these nanotubes. Surprisingly, magnetization in the domains is orthoradial (azimuthal, vortex-like), a situation not anticipated by theory for long nanotubes. The material is therefore technologically appealing for a dense 3D magnetic device such as the racetrack memory (based on shifting magnetic walls), as flux-closure domains should efficiently prevent cross-talk related to internal dipolar fields. Further, we show tuning of a growth-induced anisotropy and thus of the magnetic state of the tube by annealing.},
urldate = {2018-02-20},
journal = {arXiv:1704.06614 [cond-mat]},
author = {Staňo, Michal and Schaefer, Sandra and Wartelle, Alexis and Rioult, Maxime and Belkhou, Rachid and Sala, Alessandro and Menteş, Tevfik Onur and Locatelli, Andrea and Cagnon, Laurent and Trapp, Beatrix and Bochmann, Sebastian and Martin, Sylvain and Gautier, Eric and Toussaint, Jean-Christophe and Ensinger, Wolfgang and Fruchart, Olivier},
month = apr,
year = {2017},
note = {arXiv: 1704.06614},
keywords = {Condensed Matter - Materials Science, Condensed Matter - Mesoscale and Nanoscale Physics},
}
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With XMCD-PEEM we evidence multiple magnetic domains and domain walls in these nanotubes. Surprisingly, magnetization in the domains is orthoradial (azimuthal, vortex-like), a situation not anticipated by theory for long nanotubes. The material is therefore technologically appealing for a dense 3D magnetic device such as the racetrack memory (based on shifting magnetic walls), as flux-closure domains should efficiently prevent cross-talk related to internal dipolar fields. 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