Transport properties of Nb/PdNi bilayers and Nb/PdNi/Nb Josephson junctions

Matsuda, K-i; Akimoto, Y.; Uemura, T. et al.

Journal of Physics: Conference Series, 2009, 150(5), 052155

Permalink : https://hdl.handle.net/2115/50681

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アクセス権
open access
URI
https://hdl.handle.net/2115/50681
タイトル
Transport properties of Nb/PdNi bilayers and Nb/PdNi/Nb Josephson junctions
著者
Matsuda, K-i ; Akimoto, Y. ; Uemura, T. ; Yamamoto, M.
e-Rad_Researcher
80360931
著者名
Matsuda, K-i
著者名
Akimoto, Y.
e-Rad_Researcher
20344476
著者名
Uemura, T.
e-Rad_Researcher
10322835
著者名
Yamamoto, M.
言語
英語
発行日
2009-03-31
出版者
IOP Publishing
収録物名
Journal of Physics: Conference Series
巻(号)
150(5)
ページ
052155
抄録
The superconducting proximity effect was examined in both Nb/PdNi (SF) bilayer films and Nb/PdNi/Nb (SFS) Josephson junctions. In Nb/PdNi bilayer films, nonmonotonic behavior of Tc was observed as a function of PdNi thickness dF. The effective exchange energy Eex extracted from the data was about 13 meV. In Nb/PdNi/Nb (SFS) Josephson junctions, the existence of a crossover between the 0 state and the π state was confirmed in the PdNi thickness dependence of Ic. For the junction with dF = 9 nm, such a crossover was observed in the temperature dependence of Ic. Eex estimated from the junctions characteristics was about 19 meV. These behaviors can be interpreted from the view point of a damped oscillatory superconducting order parameter induced at the SF interface.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
権利情報
Published under licence in Journal of Physics: Conference Series by IOP Publishing Ltd.
PISSN
1742-6588
EISSN
1742-6596
関連情報
URI
http://iopscience.iop.org/1742-6596/150/5/052155
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.1088/1742-6596/150/5/052155