Monday, September 3, 2012

1208.6573 (Maciej Kasperski et al.)

On the interpretation of the angular dependence of the FMR spectrum in
heterogeneous ferromagnetic thin films

Maciej Kasperski, Henryk Puszkarski
We demonstrate that a multi-peak FMR spectrum, with lines corresponding to resonance in different ferromagnetic regions of a heterogeneous thin-film sample, can collapse to a single-peak spectrum if there exists a particular field configuration, or the configuration of the external magnetic field with respect to the film surface, in which $dH_{\text{res}}/dM_{\text{eff}}=0$ within the region magnetically dominating in the sample.
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