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Observation of the propagation and interference of spin waves in ferromagnetic thin films

Perzlmaier, Korbinian and Woltersdorf, Georg and Back, Christian H. (2008) Observation of the propagation and interference of spin waves in ferromagnetic thin films. Physical Review B (PRB) 77 (5).

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Abstract

We have observed the propagation of spin waves and spin-wave packets in 20-nm-thick Permalloy films upon microwave excitation by means of time-resolved scanning Kerr microscopy. Spin waves can be detected up to 80 mu m away from the driving coplanar strip line. In doing so, we were able to directly determine the phase velocities, dispersion relations and group velocities for ...

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Item Type:Article
Date:February 2008
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
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:25 May 2010 13:40
Last Modified:13 Mar 2014 13:27
Item ID:14922
Owner Only: item control page

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