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Local magnetic anisotropy in nanostructured FeCo-C coatings synthesized by green chemistry methods
Russian version
DOI: 10.21883/PSS.2022.09.54150.14HH
Denisova E. A. 1,2, Komogortsev S. V.1,2,3, Chekanova L. A. 1, Neznakhin D. S. 4, Iskhakov R. S. 1,3, Nemtsev I. V. 1,2,5
1Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia
2Siberian Federal University, Krasnoyarsk, Russia
3Siberian State University of Science and Technology, Krasnoyarsk, Russia
4Ural Federal University after the first President of Russia B.N. Yeltsin, Yekaterinburg, Russia
5Federal Research Center "Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences", Krasnoyarsk, Russia
Email: len-den@iph.krasn.ru, komogor@iph.krasn.ru, chekanova-lida@mail.ru, d.s.neznakhin@urfu.ru, rauf@iph.krasn.ru, ivan_nemtsev@mail.ru
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Fe-Co alloys attracting interest due to their high magnetic induction and Curie temperature, were synthesized by an eco friendly electroless deposition with carbohydrates as reducing agents. It was shown that Fe1-xCox-C composite coatings retain high induction, while demonstrating an unusual behavior of magnetization at low temperatures. It was found that for each coating measured at different temperatures, there is a correlation between the local magnetic anisotropy constant K at a given temperature and the correlation radius of the local easy magnetization axis Rc. The functional type of this correlation is typical for nanoparticles or nanogranules in a composite, which made it possible to estimate the volume and surface magnetic anisotropy constants of metal granules of FeCo-C coatings. Keywords: magnetic anisotropy, FeCo-C coatings, electroless deposition, approach to magnetic saturation law.
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