Domain wall pinning in narrow ferromagnetic ring structures probed by magnetoresistance measurements

We present a magnetoresistance study of magnetization reversal and domain wall pinning effects in a mesoscopic narrow ferromagnetic Permalloy ring structure containing notches. The size and strength of the attractive pinning potential created by a notch is measured and the resistance minimum at rema...

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Veröffentlicht in:	Physical review letters 2003-03, Vol.90 (9), p.097202-097202, Article 097202
Hauptverfasser:	Kläui, M, Vaz, C A F, Rothman, J, Bland, J A C, Wernsdorfer, W, Faini, G, Cambril, E
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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