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Optically transparent magnetic and electrically conductive Fe–Cr–Zr ultra-thin films



The transparent magnetic thin films having a nominal composition of Fe75Cr15Zr10 and containing nanocrystalline BCC Fe particles embedded in a metallic glassy matrix were deposited by a magnetron sputtering technique. The nanoparticles were homogeneously distributed in the glassy matrix, which results in the appearance of ferromagnetic properties. The phase composition and microstructure of the films were examined by X-ray diffractometry and scanning electron microscopy equipped with EDX spectroscopy. The magneto-optical properties of the obtained films were also studied by magnetic circular dichroism (MCD) method. The material obtained possesses three key properties: it is optically transparent in the visible-light range as well as electrically conductive and it shows ferromagnetism, which all of these are often mutually alternative.