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cond-mat.supr-con2012★ 145 cited
Experimental evidence of a ϕ Josephson junction
H. Sickinger, A. Lipman, M. Weides +5
We demonstrate experimentally the existence of Josephson junctions having a doubly degenerate ground state with an average Josephson phase ψ=\pmϕ. The value of ϕ can be chosen by d…
cond-mat.supr-con2006★ 140 cited
High quality ferromagnetic 0 and pi Josephson tunnel junctions
M. Weides, M. Kemmler, H. Kohlstedt +4
We fabricated high quality $\Nb/\Al_2Ø_3/\Ni_{0.6}\Cu_{0.4}/\Nb$ superconductor-insulator-ferromagnet-superconductor Josephson tunnel junctions. Depending on the thickness of the f…