open access

https://hdl.handle.net/2115/29877

Magnetic and Transport Properties of Nb/PdNi Bilayers

英語

2007-06

IEEE

IEEE Transactions on Applied Superconductivity

17(2)

3529-3532

We investigated the superconducting proximity effect in both Nb(35 nm)/PdNi superconductor (S)-ferromagnet (F) bilayer and Nb–Nb(10 nm)/PdNi–Nb (S–SF–S) variable-thickness bridges (VTBs). In Nb(35 nm) PdNi(dF nm) SF bilayer, non-monotonic behavior of the superconducting transition temperature Tc was observed as a function of PdNi thickness, dF. This non-monotonic behavior of Tc can be interpreted from the view point of damped oscillatory superconducting order parameter induced in F-layer, and the effective exchange energy Eex extracted from the data was approximately 150 K. On the other hand, in VTBs, it was found that the superconducting critical current Ic was monotonically decreased with increasing dF.

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© 2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.” IEEE, IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 17, 2, 2007, pp3529-3532

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