Abstract
A method has been developed for fabricating nanoporous matrices based on anodic aluminum oxide for the deposition of ferromagnetic nanoparticles in them. The modes of deposition of strontium ferromolybdate thin films prepared by the ion-plasma method have been worked out, and the magnetic and magnetoresistive properties, structure, and composition of the films have been investigated. It has been revealed that the microstructure and properties of the strontium ferromolybdate films deposited by ionplasma sputtering depend on the deposition rate and the temperature of the substrate. Based on the measurement of the electrical resistivity of nanoheterostructures in a magnetic field, it has been found that the magnetoresistance reaches 14% at T = 15 K and B = 8 T, which is due to the manifestation of tunneling magnetoresistance.
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Original Russian Text © N.A. Kalanda, G.G. Gorokh, M.V. Yarmolich, A.A. Lozovenko, E.Yu. Kanyukov, 2016, published in Fizika Tverdogo Tela, 2016, Vol. 58, No. 2, pp. 341–349.
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Kalanda, N.A., Gorokh, G.G., Yarmolich, M.V. et al. Magnetic and magnetoresistive properties of Al2O3–Sr2FeMoO6–δ–Al2O3 nanoheterostructures. Phys. Solid State 58, 351–359 (2016). https://doi.org/10.1134/S1063783416020128
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DOI: https://doi.org/10.1134/S1063783416020128