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The films containing core (shell) Fe2O3 (Au) nanoparticles that possess the plasmon resonance at the wavelength 550 nm are prepared. The second harmonic generation in these structures is shown to be in the form of hyper-Rayleigh scattering. The magnetization-induced partial coherence of second harmonic is observed in specular scattering direction.
Nonlinear magneto-optical properties of magnetic core(shell) gamma-Fe2O3(Au) and Fe3O4 (magnetite) nanoparticles are studied. Nonlinear magneto-optical Kerr effect in hyper-Rayleigh scattering at the second harmonic wavelength is about 10-20% for both types of nanoparticles.
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