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@ARTICLE{Sprungmann:3988,
      author       = {Sprungmann, D. and Westerholt, K. and Zabel, H. and Weides,
                      M. and Kohlstedt, H.},
      title        = {{J}osephson tunnel junctions with ferromagnetic
                      {F}e0.75{C}o0.25 barriers},
      journal      = {Journal of applied physics},
      volume       = {42},
      issn         = {0021-8979},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-3988},
      pages        = {075005},
      year         = {2009},
      note         = {The authors thank R Waser, G Pickartz and R Borowski for
                      support. DS, KW and HZ acknowledge financial support by
                      SFB-491, and MW by project WE 4359/1-1.},
      abstract     = {Josephson tunnel junctions with the strong ferromagnetic
                      alloy Fe0.75Co0.25 as the barrier material were studied. The
                      junctions were prepared with high quality down to a
                      thickness range of a few monolayers of Fe-Co. An oscillation
                      length of xi(F2) approximate to 0.79 nm between 0 and
                      pi-Josephson phase coupling and a very short decay length
                      xi(F1) approximate to 0.22 nm for the amplitude of the
                      superconducting pair wave function in the Fe-Co layer were
                      determined. The rapid damping of the pair wave function
                      inside the Fe-Co layer is caused by the strong ferromagnetic
                      exchange field and additional magnetic pair breaking
                      scattering. Josephson junctions with Fe-Co barriers show a
                      significantly increased tendency towards magnetic remanence
                      and flux trapping for larger thicknesses d(F.)},
      keywords     = {J (WoSType)},
      cin          = {IFF-6 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB786 / $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000264385900011},
      doi          = {10.1088/0022-3727/42/7/075005},
      url          = {https://juser.fz-juelich.de/record/3988},
}