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20 April 2024

» arxiv » cond-mat/0606245

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Characterization of the fundamental spin-wave modes in submicron NiFe disk
G. De Loubens ; V. V. Naletov ; Olivier Klein ; J. Ben Youssef ; F. Boust ; N. Vukadinovic ; PostScript ; PDF ; Other formats ;
Date:	9 Jun 2006
Subject:	Materials Science
Abstract:	Using a Magnetic Resonance Force Microscope, we have measured the ferromagnetic resonance spectrum of individual nonellipsoidal disk in the saturated regime. Studying the spectrum both as a function of frequency and disk diameter, we find that the lowest energy mode of samples, whose length scale along the field is 100nm, is not the uniform precession but instead a mode localized at the surface. This is supported by 3D simulations, which predicts a resonance in the region of minimum internal field.
Source:	arXiv, cond-mat/0606245
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