T. V. Murzina, E. M. Kim, S. E. Matskevich, O. A. Aktsipetrov, A. F. Kravets, A. Ya. Vovk, “Magnetization-induced third harmonic generation in magnetic nanogranular films: Correlation with giant magnetoresistance”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2004, Volume 79, Issue 4,Pages <nobr>190

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Magnetization-induced third harmonic generation in magnetic nanogranular films: Correlation with giant magnetoresistance

T. V. Murzina^a, E. M. Kim^a, S. E. Matskevich^a, O. A. Aktsipetrov^a, A. F. Kravets^b, A. Ya. Vovk^b

^a M. V. Lomonosov Moscow State University, Faculty of Physics
^b Institute of Magnetism, National Academy of Sciences of Ukraine, Kiev

Abstract: Magnetization-induced third harmonic (TH) generation was observed in magnetic nanostructures—nanogranular Co_xAg_{1− x} films—possessing giant magnetoresistance (GMR). The magnetization-induced contribution to the TH intensity was studied as a function of the concentration of a magnetic component (cobalt) in the films. Magnetic contrast of the TH intensity was found to correlate with the GMR coefficient: both parameters simultaneously reach extremum in the range of cobalt concentrations x∼0.3–0.35.

PACS: 42.65.Ky, 76.60.-k

Received: 24.11.2003
Revised: 08.01.2004