Superconducting spin-valve effect and triplet superconductivity in $\mathrm{Co}{\mathrm{O}}_{x}/\text{Fe1}/\mathrm{Cu}/\text{Fe2}/\mathrm{Cu}/\mathrm{Pb}$ multilayer

Superconducting spin-valve effect and triplet superconductivity in $Co O_{x} / Fe1 / Cu / Fe2 / Cu / Pb$ multilayer

P. V. Leksin, N. N. Garif'yanov, A. A. Kamashev, Ya. V. Fominov, J. Schumann, C. Hess, V. Kataev, B. Büchner, and I. A. Garifullin

Phys. Rev. B 91, 214508 – Published 12 June 2015

Abstract

We report magnetic and superconducting properties of the modified spin-valve system ${CoO}_{x} / Fe1 / Cu / Fe2 / Cu / Pb$ . Introduction of a Cu interlayer between Fe2 and Pb layers prevents material interdiffusion process, increases the Fe2/Pb interface transparency, stabilizes and enhances properties of the system. This allowed us to perform a comprehensive study of such heterostructures and to present theoretical description of the superconducting spin-valve effect and of the manifestation of the long-range triplet component of the superconducting condensate.

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Received 20 February 2015
Revised 13 April 2015

DOI:https://doi.org/10.1103/PhysRevB.91.214508

Authors & Affiliations

P. V. Leksin^1,2, N. N. Garif'yanov², A. A. Kamashev², Ya. V. Fominov^3,4, J. Schumann¹, C. Hess¹, V. Kataev¹, B. Büchner^1,5, and I. A. Garifullin²

¹Leibniz Institute for Solid State and Materials Research IFW Dresden, D-01171 Dresden, Germany
²Zavoisky Physical-Technical Institute, Russian Academy of Sciences, 420029 Kazan, Russia
³L. D. Landau Institute for Theoretical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia
⁴Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
⁵Institut für Festkörperphysik, Technische Universität Dresden, D-01062 Dresden, Germany

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Vol. 91, Iss. 21 — 1 June 2015

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Physical Review B

covering condensed matter and materials physics

Superconducting spin-valve effect and triplet superconductivity in $Co O_{x} / Fe1 / Cu / Fe2 / Cu / Pb$ multilayer

P. V. Leksin, N. N. Garif'yanov, A. A. Kamashev, Ya. V. Fominov, J. Schumann, C. Hess, V. Kataev, B. Büchner, and I. A. Garifullin

Phys. Rev. B 91, 214508 – Published 12 June 2015

Abstract

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Physical Review B

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Superconducting spin-valve effect and triplet superconductivity in CoOx/Fe1/Cu/Fe2/Cu/Pb multilayer

P. V. Leksin, N. N. Garif'yanov, A. A. Kamashev, Ya. V. Fominov, J. Schumann, C. Hess, V. Kataev, B. Büchner, and I. A. Garifullin

Phys. Rev. B 91, 214508 – Published 12 June 2015

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Superconducting spin-valve effect and triplet superconductivity in $Co O_{x} / Fe1 / Cu / Fe2 / Cu / Pb$ multilayer