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Enhancement of the superconducting critical temperature in Nb/Py/Nb trilayers (Articolo in rivista)

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Enhancement of the superconducting critical temperature in Nb/Py/Nb trilayers (Articolo in rivista) (literal)

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E.A. Ilyina a, J.M. Hernàndez b, c, A. García-Santiago b, c, C. Cirillo a, C. Attanasio a (2012)
Enhancement of the superconducting critical temperature in Nb/Py/Nb trilayers
in Physica. C, Superconductivity (Print)
(literal)

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E.A. Ilyina a, J.M. Hernàndez b, c, A. García-Santiago b, c, C. Cirillo a, C. Attanasio a (literal)

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a CNR-SPIN Salerno, Dipartimento di Fisica \"E.R. Caianiello\", Università degli Studi di Salerno, Via Ponte don Melillo, Fisciano (Sa) I-84084, Italy b Departament de Física Fonamental, Facultat de Física, Universitat de Barcelona, Avinguda Diagonal 645, ES-08028 Barcelona, Spain c Institut de Nanociència i Nanotecnologia IN2UB, Universitat de Barcelona, c. Martí i Franquès 1, ES-08028 Barcelona, Spain (literal)

Titolo

Enhancement of the superconducting critical temperature in Nb/Py/Nb trilayers (literal)

Abstract

Superconducting critical temperature, Tc, have been measured in a series of Nb/Py/Nb (here Py = Ni80Fe20) trilayers having constant Py thickness, dPy = 432 nm, and variable Nb thickness, dNb, in the range 20-30 nm. We have observed that, for dNb between 23 and 27 nm, resistive transitions shift towards higher temperature if stripe domains are present in the Py layer. We relate those observations to the non-homogeneous magnetization in the Py layer due to the presence of stripe domain structures. (literal)

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