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@ARTICLE{Enkovaara:57804,
      author       = {Enkovaara, J. and Wortmann, D. and Blügel, S.},
      title        = {{S}pin-polarized tunneling between an antiferromagnet and a
                      ferromagnet: {F}irst-principles calculations and transport
                      theory},
      journal      = {Physical review / B},
      volume       = {76},
      number       = {5},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-57804},
      pages        = {054437},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {By combining first-principles calculations with transport
                      theory we investigate the origin of the magnetoresistance of
                      a magnetic tunnel junction consisting of a ferromagnetic and
                      an antiferromagnetic lead. The (001) oriented Fe/vacuum/Cr
                      planar junction serves as model junction. Even though the
                      conduction electrons of antiferromagnetic Cr are
                      spin-degenerate, it is possible to observe magnetoresistance
                      due to two mechanisms: Firstly, the surface magnetism of Cr
                      creates a spin-dependent potential barrier, and secondly,
                      exchange-split surface states and resonances result in a
                      tunneling conductance which depends on the relative
                      orientation of the Fe and Cr magnetizations. Spin-dependent
                      tunneling between a ferromagnet and an antiferromagnet
                      happens frequently in tunneling setups such as in
                      spin-polarized scanning tunneling microscopy or magnetic
                      tunnel junctions for magnetic random access memory.},
      keywords     = {J (WoSType)},
      cin          = {IFF-1 / CNI / JARA-FIT / JARA-SIM},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB781 / I:(DE-Juel1)VDB381 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)VDB1045},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000249155100108},
      doi          = {10.1103/PhysRevB.76.054437},
      url          = {https://juser.fz-juelich.de/record/57804},
}