Effect of the variation of the exchange energy on the superconducting critical temperature of S/F/S trilayers
The European Physical Journal B, 2011•Springer
The effect of the exchange energy variation in weakly ferromagnetic alloys on the
superconducting resistive transition of superconductor/ferromagnet/superconductor (S/F/S)
trilayers is studied. Critical temperature, T c, and resistive transitions versus the F-layer
thickness, d F, have been analyzed in Nb/Cu 0.41 Ni 0.59/Nb and Nb/Pd 0.81 Ni 0.19/Nb
trilayers. We show that T c (d F) dependence is sensitive to magnetic inhomogeneities in the
F-layer for values of d F corresponding to thickness range where the π-superconducting …
superconducting resistive transition of superconductor/ferromagnet/superconductor (S/F/S)
trilayers is studied. Critical temperature, T c, and resistive transitions versus the F-layer
thickness, d F, have been analyzed in Nb/Cu 0.41 Ni 0.59/Nb and Nb/Pd 0.81 Ni 0.19/Nb
trilayers. We show that T c (d F) dependence is sensitive to magnetic inhomogeneities in the
F-layer for values of d F corresponding to thickness range where the π-superconducting …
Abstract
The effect of the exchange energy variation in weakly ferromagnetic alloys on the superconducting resistive transition of superconductor/ferromagnet/superconductor (S/F/S) trilayers is studied. Critical temperature, T c , and resistive transitions versus the F-layer thickness, d F , have been analyzed in Nb/Cu0.41Ni0.59/Nb and Nb/Pd0.81Ni0.19/Nb trilayers. We show that T c (d F ) dependence is sensitive to magnetic inhomogeneities in the F-layer for values of d F corresponding to thickness range where the π-superconducting state is established.
Springer
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