Cantilever magnetometry of individual Ni nanotubes

Weber, D. P. and Rüffer, D. and Buchter, A. and Xue, F. and Russo-Averchi, E. and Huber, R. and Berberich, P. and Arbiol, J. and Fontcuberta i Morral, A. and Grundler, D. and Poggio, M.. (2012) Cantilever magnetometry of individual Ni nanotubes. Nano Letters, 12 (12). pp. 6139-6144.

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Official URL: http://edoc.unibas.ch/dok/A6070510

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Recent experimental and theoretical work has focused on ferromagnetic nanotubes due to their potential applications as magnetic sensors or as elements in high-density magnetic memory. The possible presence of magnetic vortex states—states which produce no stray fields—makes these structures particularly promising as storage devices. Here we investigate the behavior of the magnetization states in individual Ni nanotubes by sensitive cantilever magnetometry. Magnetometry measurements are carried out in the three major orientations, revealing the presence of different stable magnetic states. The observed behavior is well-described by a model based on the presence of uniform states at high applied magnetic fields and a circumferential onion state at low applied fields.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanotechnologie Argovia (Poggio)
UniBasel Contributors:Poggio, Martino and Weber, Dennis Patrick and Buchter, Arne and Xue, Fei
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:27 Jul 2018 14:53
Deposited On:01 Mar 2013 11:12

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