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Article

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

Physical Review B: Condensed Matter and Materials Physics. 2015. Vol. 91. P. 214508-1-214508-12.
Leskin P., Garif'yanov N., Kamashev A., Ya.V. Fominov, Schumann J., Hess C., Kataev V., Büchner B., Garifullin I.

We report magnetic and superconducting properties of the modified spin valve system CoOx/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.