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APS » Journals » Phys. Rev. Lett. » Volume 95 » Issue 23
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Phys. Rev. Lett. 95, 237205 (2005) [4 pages]

Shifting and Pinning of a Magnetic Vortex Core in a Permalloy Dot by a Magnetic Field

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Thomas Uhlig*, M. Rahm, Christian Dietrich, Rainer Höllinger, Martin Heumann, Dieter Weiss, and Josef Zweck†
Institut für Angewandte Physik, Universität Regensburg, 93040 Regensburg, Germany

Received 1 February 2005; published 29 November 2005

Magnetic pinning in thin films seems to be a major research subject in the near future, as it is involved in all switching processes which include a movement of a domain wall or a magnetic vortex. We used Lorentz transmission electron microscopy and vortex pinning at artificial pinning sites to investigate the pinning behavior of magnetic vortices for the first time with high spatial resolution.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.95.237205
DOI:
10.1103/PhysRevLett.95.237205
PACS:
75.60.Jk, 68.37.Lp

*Present address: Deutsches Zentrum für Luft-und Raumfahrt, German Space Control Center, Oberpfaffenhofen, 82234 Weßling, Germany.

†Corresponding author.

Electronic address: josef.zweck@physik.uni-regensburg.de

 
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