Abstract
ZnO films obtained by high-frequency magnetron sputtering and doped with a Fe57 metallic 3d impurity by the diffusion method are studied. The type of local environment of Fe57 impurity atoms on varying the deposition parameters of ZnO films is determined by Mössbauer spectroscopy. It is established that the ground state of Fe57 impurity atoms corresponds to metallic iron in the magnetically ordered state and there is a small fraction of Fe57 atoms with a local environment corresponding to the complex oxide Fe3O4, having the magnetically ordered state; there is also a fraction of iron atoms in the paramagnetic state. The magnetic and magnetooptical parameters of the films were measured using magnetooptic Kerr effect. The spectral dependences of the polar magnetooptic Kerr effect in ZnO(Fe57) films are measured in a photon energy range of 1.5–4.5 eV and simulated by the effective-medium method. It is established that ZnO(Fe57) possess an easy-plane magnetic anisotropy with a magnetization lying in the film plane.
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Original Russian Text © M.M. Mezdrogina, A.S. Aglikov, V.G. Semenov, Yu.V. Kozhanova, S.G. Nefedov, L.A. Shelukhin, V.V. Pavlov, 2018, published in Fizika Tverdogo Tela, 2018, Vol. 60, No. 3, pp. 596–602.
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Mezdrogina, M.M., Aglikov, A.S., Semenov, V.G. et al. Growth and Structural, Magnetic, and Magnetooptical Properties of ZnO Films Doped with a Fe57 3d Impurity. Phys. Solid State 60, 603–609 (2018). https://doi.org/10.1134/S1063783418030186
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DOI: https://doi.org/10.1134/S1063783418030186