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@ARTICLE{Schneberg:825002,
      author       = {Schöneberg, J. and Otte, F. and Néel, N. and Weismann, A.
                      and Mokrousov, Y. and Kröger, J. and Berndt, R. and Heinze,
                      S.},
      title        = {{B}allistic {A}nisotropic {M}agnetoresistance of
                      {S}ingle-{A}tom {C}ontacts},
      journal      = {Nano letters},
      volume       = {16},
      number       = {2},
      issn         = {1530-6992},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2016-07498},
      pages        = {1450 - 1454},
      year         = {2016},
      abstract     = {Anisotropic magnetoresistance, that is, the sensitivity of
                      the electrical resistance of magnetic materials on the
                      magnetization direction, is expected to be strongly enhanced
                      in ballistic transport through nanoscale junctions. However,
                      unambiguous experimental evidence of this effect is
                      difficult to achieve. We utilize single-atom junctions to
                      measure this ballistic anisotropic magnetoresistance (AMR).
                      Single Co and Ir atoms are deposited on domains and domain
                      walls of ferromagnetic Fe layers on W(110) to control their
                      magnetization directions. They are contacted with
                      nonmagnetic tips in a low-temperature scanning tunneling
                      microscope to measure the junction conductances. Large
                      changes of the magnetoresistance occur from the tunneling to
                      the ballistic regime due to the competition of localized and
                      delocalized d-orbitals, which are differently affected by
                      spin–orbit coupling. This work shows that engineering the
                      AMR at the single atom level is feasible},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142)},
      pid          = {G:(DE-HGF)POF3-142},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000370215200093},
      doi          = {10.1021/acs.nanolett.5b05071},
      url          = {https://juser.fz-juelich.de/record/825002},
}