Structural Properties of Nb/Dy and Nb/Ho Superlattices
Zhaketov V. D.1,2,3, Devyaterikov D I.4, Avdeev M. M.1,2, Norov D. A.1,2, Kolupaev E. D.1,2, Kuzmenko M. O.1, Pugach N. G.5, Khaydukov Yu. N.2, Kravtsov E. A.4,6, Nikitenko Yu. V.1, Aksenov V. L.1
1Joint Institute for Nuclear Research, Dubna, Russia
2Lomonosov Moscow State University, Moscow, Russia
3Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudnyi, Russia
4M.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia
5National Research University Higher School of Economics, Moscow, Russia
6Ural Federal University after the first President of Russia B.N. Yeltsin, Yekaterinburg, Russia
Email: zhaketov@nf.jinr.ru

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Proximity effects in structures with helimagnetic ordering are investigated. Structures with sharp boundaries were prepared by magnetron sputtering. Results indicating a change in the magnetic state of a helimagnet under the influence of superconductivity were obtained by polarized neutron reflectometry. A new type of structure with alternating layers of a superconductor and a rare-earth helimagnet is proposed for studying magnetic proximity effects. The results of studies using X-ray methods and atomic force microscopy demonstrate the high quality of the obtained structures. Keywords: helimagnetism, superconductivity, heterostructures, superlattices, neutron reflectometry. DOI: 10.61011/PSS.2023.07.56393.35H
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