Abstract
Depth-resolved Mössbauer measurements have been performed for four ferromagnetic samples obtained by the implantation of iron ions (enriched to ∼ 50% with 57Fe isotope) into single-crystalline rutile (TiO2) substrates with two crystallographic orientations [(100) and (001)] at different temperatures (300 and 900 K). It is established that the ferromagnetic properties of iron-implanted rutile samples at room temperature are determined by the presence of α-Fe and Fe3O4 phases. The phase composition of samples obtained by iron implantation into substrates heated to 900 K depends on the crystallographic orientation of the substrate, which is explained by a significant anisotropy of the diffusion of iron atoms in rutile.
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Original Russian Text © E.N. Dulov, N.G. Ivoilov, D.M. Khripunov, L.R. Tagirov, R.I. Khaibullin, V.F. Valeev, V.I. Nuzhdin, 2009, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2009, Vol. 35, No. 11, pp. 1–9.
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Dulov, E.N., Ivoilov, N.G., Khripunov, D.M. et al. Mössbauer study of the magnetic phase composition of single-crystalline rutile (TiO2) implanted with iron ions. Tech. Phys. Lett. 35, 483–486 (2009). https://doi.org/10.1134/S1063785009060017
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DOI: https://doi.org/10.1134/S1063785009060017