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Vortex nucleation in sub-micrometer ferromagnetic disks

Rahm, M, Schneider, M, Biberger, Josef, Pulwey, Ralph, Umanski, V, Zweck, Josef and Weiss, Dieter (2003) Vortex nucleation in sub-micrometer ferromagnetic disks. Applied Physics Letters 82, p. 4110.

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We investigate both experimentally and by means of micromagnetic calculations magnetic states preceding vortex formation in permalloy nanodisks. In experiment, we used micro-Hall sensors fabricated from GaAs/AlGaAs heterojunction material to measure stray field hysteresis loops of individual disks. Micromagnetic calculations involving different micromagnetic codes allowed us to interpret ...


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Item type:Article
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:7933
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