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Abstract: Two atomic layers of Ni condensed onto Pb films behave, according toanomalous Hall effect measurements, as magnetic dead layers. However, the Nilowers the superconducting T {c} of the Pb film. This has lead to theconclusion that the Ni layers are still very weakly magnetic. In the presentpaper the electron dephasing due to the Ni has been measured by weaklocalization. The dephasing is smaller by a factor 100 than the pair-breaking.This proves that the T {c}-reduction in the PbNi films is not due magnetic Nimoments.



Author: Go Tateishi, Gerd Bergmann

Source: https://arxiv.org/







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