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Magneto-Optical Modulation on Colloid Cu–Ni Nanocomposite

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journal contribution
posted on 22.01.2015, 00:00 authored by Alexandr V. Vinogradov, A. A. Levshanov, M. A. Kashirin, A. V. Agafonov, Vladimir V. Vinogradov
In the present work, we report, for the first time, the synthesis of a Cu–Ni-nanoalloy-based composite demonstrating remarkable magnetic activity as compared to that of the Ni nanoparticles. Apart from its possessing 3 times as much magnetic permeability as Ni powder, we have discovered unique properties exhibited by the product nanoparticles in the colloidal state in aqueous solutions. By applying an external magnetic field, a three-dimensional optical modulation with a transmission coefficient of 20–90% was observed.

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