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@ARTICLE{Gnel:156101,
      author       = {Günel, H. Y. and Borgwardt, N. and Batov, I. E. and
                      Hardtdegen, Hilde and Sladek, Kamil and Panaitov, Gregory
                      and Grützmacher, Detlev and Schäpers, Thomas},
      title        = {{C}rossover from {J}osephson {E}ffect to {S}ingle
                      {I}nterface {A}ndreev {R}eflection in {A}symmetric
                      {S}uperconductor/{N}anowire {J}unctions},
      journal      = {Nano letters},
      volume       = {14},
      issn         = {1530-6992},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2014-04975},
      pages        = {4977-4981},
      year         = {2014},
      abstract     = {We report on the fabrication and characterization of
                      symmetric nanowire-based Josephson junctions, that is, Al-
                      and Nb-based junctions, and asymmetric junctions employing
                      superconducting Al and Nb. In the symmetric junctions, a
                      clear and pronounced Josephson supercurrent is observed.
                      These samples also show clear signatures of subharmonic gap
                      structures. At zero magnetic field, a Josephson coupling is
                      found for theasymmetric Al/InAs-nanowire/Nb junctions as
                      well. By applying a magnetic field above the criticalfield
                      of Al or by raising the temperature above the critical
                      temperature of Al the junction can be switched to an
                      effective singleinterface superconductor/nanowire structure.
                      In this regime, a pronounced zero-bias conductance peak due
                      to reflectionless tunneling has been observed.},
      cin          = {PGI-9 / JARA-FIT},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-9-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {421 - Frontiers of charge based Electronics (POF2-421)},
      pid          = {G:(DE-HGF)POF2-421},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000341544500009},
      pubmed       = {pmid:25118624},
      doi          = {10.1021/nl501350v},
      url          = {https://juser.fz-juelich.de/record/156101},
}