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Vortex dynamics in Permalloy disks with artificial defects: Suppression of the gyrotropic mode

Kuepper, K. and Bischoff, L. and Akhmadaliev, Ch. and Fassbender, J. and Stoll, H. and Chou, K. W. and Puzic, A. and Fauth, K. and Dolgos, D. and Schuetz, G. and Van Waeyenberge, B. and Tyliszczak, T. and Neudecker, I. and Woltersdorf, Georg and Back, Christian H. (2007) Vortex dynamics in Permalloy disks with artificial defects: Suppression of the gyrotropic mode. Applied Physics Letters 90 (6), 062506.

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Abstract

The dynamics of magnetic vortices in thin Permalloy disks having artificial defects in the form of small holes at different locations within the disk has been investigated by means of frequency-domain spatially resolved ferromagnetic resonance. It is found that the vortex can be effectively captured by such a defect. Consequently the commonly observed gyrotropic vortex motion in ...

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Item Type:Article
Date:February 2007
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Identification Number:
ValueType
10.1063/1.2437710DOI
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Webmaster Back
Deposited On:26 May 2010 12:10
Last Modified:13 Mar 2014 13:27
Item ID:14933
Owner Only: item control page

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