Current-induced instability of geometrically confined magnetic wall

We investigated dynamics of the geometrically confined magnetic wall under huge current by using micromagnetic simulation in order to clarify the current-induced instability of the geometrically confined magnetic wall. We showed that the domain nucleation-annihilation oscillation appears above a thr...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 200; no. 4; p. 042016
Main Authors Matsushita, Katsuyoshi, Sato, Jun, Imamura, Hiroshi, Sasaki, Munetaka
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2010
Subjects
Dynamic stability
Nucleation
Physics
Threshold currents
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Summary:We investigated dynamics of the geometrically confined magnetic wall under huge current by using micromagnetic simulation in order to clarify the current-induced instability of the geometrically confined magnetic wall. We showed that the domain nucleation-annihilation oscillation appears above a threshold current and induces a voltage oscillation signal.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/200/4/042016