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@ARTICLE{Esat:819515,
      author       = {Esat, Taner and Lechtenberg, Benedikt and Deilmann,
                      Thorsten and Wagner, Christian and Krüger, Peter and
                      Temirov, Ruslan and Rohlfing, Michael and Anders, Frithjof
                      B. and Tautz, F. S.},
      title        = {{A} chemically driven quantum phase transition in a
                      two-molecule {K}ondo system},
      journal      = {Nature physics},
      volume       = {12},
      number       = {9},
      issn         = {1745-2481},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2016-05158},
      pages        = {867 - 873},
      year         = {2016},
      abstract     = {The magnetic properties of nanostructures that consist of a
                      small number of atoms or molecules are typically determined
                      by magnetic exchange interactions. Here, we show that
                      non-magnetic, chemical interactions can have a similarly
                      decisive effect if spin-moment-carrying orbitals extend in
                      space and therefore allow the direct coupling of magnetic
                      properties to wavefunction overlap and the formation of
                      bonding and antibonding orbitals. We demonstrate this for a
                      dimer of metal–molecule complexes on the Au(111) surface.
                      A changing wavefunction overlap between the two monomers
                      drives the surface-adsorbed dimer through a quantum phase
                      transition from an underscreened triplet to a singlet ground
                      state, with one configuration being located extremely close
                      to a quantum critical point.},
      cin          = {PGI-3 / NIC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-3-20110106 / I:(DE-Juel1)NIC-20090406},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
                      Controlling Configuration-Based Phenomena (POF3-143) /
                      Nonequilibrium dynamics of quantum impurity systems close
                      quantum phase transitions $(hhb00_20130501)$ / Spectra of 2D
                      layered materials $(hms17_20140501)$},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143 /
                      $G:(DE-Juel1)hhb00_20130501$ / $G:(DE-Juel1)hms17_20140501$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000383219800015},
      doi          = {10.1038/nphys3737},
      url          = {https://juser.fz-juelich.de/record/819515},
}