Effect of the variation of the exchange energy on the superconducting critical temperature of S/F/S trilayers

被引：0
|
作者：
V. N. Kushnir
S. L. Prischepa
J. Aarts
C. Bell
C. Cirillo
C. Attanasio
机构：
[1] Belarus State University of Informatics and RadioElectronics,CNR
[2] Kamerlingh Onnes Laboratory,SPIN Salerno and Dipartimento di Fisica “E.R. Caianiello”
[3] Leiden University,undefined
[4] Università degli Studi di Salerno,undefined
来源：
The European Physical Journal B | 2011年 / 80卷
关键词：
Critical Temperature; JETP Letter; CuNi; Cooper Pair; Resistive Transition;
D O I：
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中图分类号：
学科分类号：
摘要：
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, Tc, and resistive transitions versus the F-layer thickness, dF, have been analyzed in Nb/Cu0.41Ni0.59/Nb and Nb/Pd0.81Ni0.19/Nb trilayers. We show that Tc(dF) dependence is sensitive to magnetic inhomogeneities in the F-layer for values of dF corresponding to thickness range where the π-superconducting state is established.
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页码：445 / 449
页数：4
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