%0 Journal Article
%A Weides, M.
%A Disch, M.
%A Kohlstedt, H.
%A Buergler, D.
%T Observation of Josephson coupling through an interlayer of antiferromagnetically ordered chromium
%J Physical review / B
%V 80
%N 6
%@ 1098-0121
%C College Park, Md.
%I APS
%M PreJuSER-5452
%P 064508
%D 2009
%Z We thank A. Ustinov for stimulating discussion and D. Sprungmann for help with sample fabrication. M. W. was supported by the DFG under Project No. WE 4359/1-1 and the AvH foundation.
%X The supercurrent transport in metallic Josephson tunnel junctions with an additional interlayer made up by chromium, being an itinerant antiferromagnet, was studied. Uniform Josephson coupling was observed as a function of the magnetic field. The supercurrent shows a weak dependence on the interlayer thickness for thin chromium layers and decays exponentially for thicker films. The diffusion constant and the coherence length in the antiferromagnet were estimated. The antiferromagnetic state of the barrier was indirectly verified using reference samples. Our results are compared to macroscopic and microscopic models.
%K J (WoSType)
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000269638800064
%R 10.1103/PhysRevB.80.064508
%U https://juser.fz-juelich.de/record/5452