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Название: Neutron reflectometry studies of Gd/Nb and Cu30Ni70/Nb superlattices
Авторы: Khaydukov, Y.
Kravtsov, E.
Morari, R.
Lenk, D.
Mustafa, L.
Kim, G.
Trapp, M.
Zhaketov, V.
Proglyado, V.
Zrdavkov, V.
Nikitenko, Y.
Krug, Von, Nidda, H. -A.
Keller, T.
Steitz, R.
Tideks, R.
Sidorenko, A.
Ustinov, V.
Aksenov, V.
Keimer, B.
Дата публикации: 2019
Издатель: Institute of Physics Publishing
Библиографическое описание: Neutron reflectometry studies of Gd/Nb and Cu30Ni70/Nb superlattices / Y. Khaydukov, E. Kravtsov, R. Morari, D. Lenk, et al.. — DOI 10.1088/1742-6596/1389/1/012060 // Journal of Physics: Conference Series. — 2019. — Vol. 1. — Iss. 1389. — 12060.
Аннотация: We performed a comparative study of magnetic proximity effects in [Gd(5nm)/Nb(25nm)]12 and [Cu30Ni70(6nm)/Nb(27nm)]12 superlattices of S/F type by means of transport measurements and neutron scattering. Transport measurements have shown that Gd/Nb and CuNi/Nb superlattices shows 3D and 2D type of superconductivity respectively. In the case of proximity coupled Gd/Nb superconductor the effective thickness of the superconducting region, 300nm is enough to expel significant amount of applied magnetic field which was detected by neutron scattering. In decoupled CuNi/Nb superlattice thickness of every superconducting layer is only 27nm which is not enough to expel applied magnetic field. Our study shows how neutron reflectometry can be applied to study proximity coupling in superconducting/ferromagnet heterostructures. © Published under licence by IOP Publishing Ltd.
Ключевые слова: MAGNETIC FIELDS
NEUTRON REFLECTION
REFLECTION
REFLECTOMETERS
APPLIED MAGNETIC FIELDS
COMPARATIVE STUDIES
EFFECTIVE THICKNESS
MAGNETIC PROXIMITY
NEUTRON REFLECTOMETRY
PROXIMITY COUPLINGS
SUPERCONDUCTING LAYER
TRANSPORT MEASUREMENTS
NEUTRON SCATTERING
URI: http://elar.urfu.ru/handle/10995/92538
Условия доступа: info:eu-repo/semantics/openAccess
Идентификатор SCOPUS: 85076771442
Идентификатор WOS: 000562319800060
Идентификатор PURE: 11765527
ISSN: 1742-6588
DOI: 10.1088/1742-6596/1389/1/012060
Сведения о поддержке: Ural Branch, Russian Academy of Sciences, UB RAS
Nuclear Physics, NP
Russian Foundation for Basic Research, RFBR: 19-02-00674
Deutsche Forschungsgemeinschaft, DFG
German-Israeli Foundation for Scientific Research and Development, GIF: AAAA-A18-118020290104-2, 107745057 – TRR 80
The authors would like to thank H. Kolb and P. Bieber for their assistance with low-temperature part of the measurements at NREX. We would like to thank HZB for the allocation of neutron time at V6 and financial support during experiment there. Stuttgart and Augsburg teams acknowledge support by Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – Project No. 107745057 – TRR 80. Research in Ekaterinburg was performed within the state assignment of Minobrnauki of Russia (theme “Spin” No. AAAA-A18-118020290104-2) and was partly supported by RFBR (Project No. 19-02-00674). RM and AS would like to acknowledge “SPINTECH” project of the HORIZON-2020 TWINNING program (2018-2020).
Располагается в коллекциях:Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC

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