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Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Information Science and Technology / Faculty of Information Science and Technology >
Peer-reviewed Journal Articles, etc >

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

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/50681

Title: Transport properties of Nb/PdNi bilayers and Nb/PdNi/Nb Josephson junctions
Authors: Matsuda, K-i Browse this author →KAKEN DB
Akimoto, Y. Browse this author
Uemura, T. Browse this author →KAKEN DB
Yamamoto, M. Browse this author →KAKEN DB
Issue Date: 31-Mar-2009
Publisher: IOP Publishing
Journal Title: Journal of Physics: Conference Series
Volume: 150
Issue: 5
Start Page: 052155
Publisher DOI: 10.1088/1742-6596/150/5/052155
Abstract: 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.
Rights: Published under licence in Journal of Physics: Conference Series by IOP Publishing Ltd.
Relation: http://iopscience.iop.org/1742-6596/150/5/052155
Type: article
URI: http://hdl.handle.net/2115/50681
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山本 眞史

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