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Direct observation of spin configurations and classification of switching processes in mesoscopic ferromagnetic rings

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Direct observation of spin configurations and classification of switching processes in mesoscopic ferromagnetic rings

Type of Publication: Journal article
URI (citable link): http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-126333
Author: Kläui, Mathias; Vaz, Carlos A. F.; Bland, J. Anthony C.; Monchesky, Theodore L.; Unguris, John; Bauer, Ernst; Cherifi, Salia; Heun, Stefan; Locatelli, Andrea; Heyderman, Laura Jane; Cui, Z.
Year of publication: 2003
Published in: Physical Review B ; 68 (2003). - 134426
DOI (citable link): https://dx.doi.org/10.1103/PhysRevB.68.134426
Summary:
Using nonintrusive imaging techniques we have directly observed the nanoscopic details of the magnetization configurations of epitaxial and polycrystalline mesoscopic ring structures with a <15-nm resolution. We have found head to head domain walls with different spin structures depending on ring width. Further, we can classify the geometry dependent switching processes according to the number of transitions (single, double, triple) that a ring undergoes in a hysteresis cycle. In the case of triple switching we find a state with a complete vortex core present in the ring.
Subject (DDC): 530 Physics
Link to License: Attribution-NonCommercial-NoDerivs 2.0 Generic

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KLÄUI, Mathias, Carlos A. F. VAZ, J. Anthony C. BLAND, Theodore L. MONCHESKY, John UNGURIS, Ernst BAUER, Salia CHERIFI, Stefan HEUN, Andrea LOCATELLI, Laura Jane HEYDERMAN, Z. CUI, 2003. Direct observation of spin configurations and classification of switching processes in mesoscopic ferromagnetic rings. In: Physical Review B. 68, 134426. Available under: doi: 10.1103/PhysRevB.68.134426

@article{Klaui2003Direc-5075, title={Direct observation of spin configurations and classification of switching processes in mesoscopic ferromagnetic rings}, year={2003}, doi={10.1103/PhysRevB.68.134426}, volume={68}, journal={Physical Review B}, author={Kläui, Mathias and Vaz, Carlos A. F. and Bland, J. Anthony C. and Monchesky, Theodore L. and Unguris, John and Bauer, Ernst and Cherifi, Salia and Heun, Stefan and Locatelli, Andrea and Heyderman, Laura Jane and Cui, Z.}, note={Article Number: 134426} }

Locatelli, Andrea Monchesky, Theodore L. Heun, Stefan Attribution-NonCommercial-NoDerivs 2.0 Generic Unguris, John Kläui, Mathias Bauer, Ernst Direct observation of spin configurations and classification of switching processes in mesoscopic ferromagnetic rings Bland, J. Anthony C. application/pdf Unguris, John Bauer, Ernst Bland, J. Anthony C. Heun, Stefan Cherifi, Salia Monchesky, Theodore L. 2011-03-24T14:52:56Z Vaz, Carlos A. F. Heyderman, Laura Jane Vaz, Carlos A. F. First publ. in: Physical Review B 68 (2003), 134426 Cui, Z. 2011-03-24T14:52:56Z Cui, Z. Using nonintrusive imaging techniques we have directly observed the nanoscopic details of the magnetization configurations of epitaxial and polycrystalline mesoscopic ring structures with a &lt;15-nm resolution. We have found head to head domain walls with different spin structures depending on ring width. Further, we can classify the geometry dependent switching processes according to the number of transitions (single, double, triple) that a ring undergoes in a hysteresis cycle. In the case of triple switching we find a state with a complete vortex core present in the ring. 2003 Locatelli, Andrea Heyderman, Laura Jane eng Cherifi, Salia Kläui, Mathias

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