The frequency, temperature, and magnetic field dependence of ferromagnetic resonance and anti-resonance in La$_{0.8}$Sr$_{0.2}$MnO$_3$

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dc.creatorSchwartz, Andrew
dc.creatorScheffler, Marc
dc.creatorAnlage, Steven M.
dc.date2000-10-11
dc.date.accessioned2026-07-07T02:38:59Z
dc.date.available2026-07-07T02:38:59Z
dc.descriptionEmploying a broadband microwave reflection configuration, we have measured the complex surface impedance, $Z_S(ω,T,H)$, of single crystal La$_{0.8}$Sr$_{0.2}$MnO$_3$, as a function of frequency (0.045-45 GHz), temperature (250-325 K), and magnetic field (0-1.9 kOe). The microwave surface impedance depends not only on the resistivity of the material, but also on the magnetic permeability, $\hatμ(ω,T,H)$, which gives rise to ferromagnetic resonance (FMR) and ferromagnetic anti-resonance (FMAR). The broadband nature of this experiment allows us to follow the FMR to low frequency and to deduce the behavior of both the local internal fields and the local magnetization in the sample.
dc.description7 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0010172
dc.identifierhttp://arxiv.org/abs/cond-mat/0010172
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16885
dc.subjectStrongly Correlated Electrons
dc.titleThe frequency, temperature, and magnetic field dependence of ferromagnetic resonance and anti-resonance in La$_{0.8}$Sr$_{0.2}$MnO$_3$
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