Publikation: Transverse domain walls in nanoconstrictions
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2007
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Backes, Dirk
Schieback, Christine
Ehrke, Henri
Heyderman, Laura J.
Chen, Cheng-Shi
Kasama, Takeshi
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Applied Physics Letters. 2007, 91, 112502. Available under: doi: 10.1063/1.2779109
Zusammenfassung
The spin structure of domain walls in constrictions down to 30 nm is investigated both experimentally with electron holography and with simulations using a Heisenberg model. Symmetric and asymmetric transverse domain walls for different constriction sizes are observed, consistent with simulations. The experimentally observed asymmetric transverse walls can be further divided into tilted and buckled walls, the latter being an intermediate state just before the vortex nucleation. As the constriction width decreases, the domain wall width decreases faster than linearly, which leads to very narrow domain walls for narrow constrictions.
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BACKES, Dirk, Christine SCHIEBACK, Mathias KLÄUI, Friederike JUNGINGER, Henri EHRKE, Peter NIELABA, Ulrich RÜDIGER, Laura J. HEYDERMAN, Cheng-Shi CHEN, Takeshi KASAMA, Rafal E. DUNIN-BORKOWSKI, Carlos A. F. VAZ, J. Anthony C. BLAND, 2007. Transverse domain walls in nanoconstrictions. In: Applied Physics Letters. 2007, 91, 112502. Available under: doi: 10.1063/1.2779109BibTex
@article{Backes2007Trans-5324,
year={2007},
doi={10.1063/1.2779109},
title={Transverse domain walls in nanoconstrictions},
volume={91},
journal={Applied Physics Letters},
author={Backes, Dirk and Schieback, Christine and Kläui, Mathias and Junginger, Friederike and Ehrke, Henri and Nielaba, Peter and Rüdiger, Ulrich and Heyderman, Laura J. and Chen, Cheng-Shi and Kasama, Takeshi and Dunin-Borkowski, Rafal E. and Vaz, Carlos A. F. and Bland, J. Anthony C.},
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