Spatially resolved observation of uniform precession modes in spin-valve systems

Details Spatially resolved observation of uniform precession modes in spin-valve systems Spatially resolved observation of uniform precession modes in spin-valve systems

2010-10-27

arxiv.org/abs/1010.5820v1

J. Appl. Phys. 109, 07D305 (2011)

Physics

Condensed Matter

Materials Science

This article has been accepted by Journal of Applied Physics. After it is published, it will be found at http://jap.aip.org

Scientific paper

10.1063/1.3535439

Using time-resolved photoemission electron microscopy the excitation of uniform precession modes in individual domains of a weakly coupled spin-valve system has been studied. A coupling dependence of the precession frequencies has been found that can be reasonably well understood on the basis of a macrospin model. By tuning the frequency of the excitation source the uniform precession modes are excited in a resonant way.

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