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Coexistence of tunneling magnetoresistance and Josephson effects in SFIFS junctions

Vávra, O. ; Soni, R. ; Petraru, A. ; Himmel, N. ; Vávra, I. ; Fabian, J. ; Kohlstedt, H. ; Strunk, Ch.



Abstract

We demonstrate an integration of tunneling magnetoresistance and the Josephson effects within one tunneling junction. Several sets of Nb-Fe-Al-Al2O3-Fe-Nb wafers with varying Al and Fe layers thickness were prepared to systematically explore the competition of TMR and Josephson effects. A coexistence of the critical current I-C(d(Fe)) and the tunneling magnetoresistance ratio TMR(d(Fe)) is ...

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