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@ARTICLE{Esat:1014722,
      author       = {Esat, Taner and Ternes, Markus and Temirov, Ruslan and
                      Tautz, F. Stefan},
      title        = {{E}lectron spin secluded inside a bottom-up assembled
                      standing metal-molecule nanostructure},
      journal      = {Physical review research},
      volume       = {5},
      number       = {3},
      issn         = {2643-1564},
      address      = {College Park, MD},
      publisher    = {APS},
      reportid     = {FZJ-2023-03412},
      pages        = {033200},
      year         = {2023},
      abstract     = {Artificial nanostructures, fabricated by placing atoms or
                      molecules as building blocks in well-defined positions, are
                      a powerful platform in which quantum effects can be studied
                      and exploited. In particular, they offer the opportunity to
                      reduce the electronic interaction between large aromatic
                      molecules and the underlying metallic substrate, if the
                      manipulation capabilities of scanning tunneling microscopy
                      to lift the molecule into an upright geometry on a pedestal
                      of two metal atoms are used. Here, we report a strategy to
                      study this interaction by investigating the Kondo effect.
                      Measurements at millikelvin temperatures and in magnetic
                      fields reveal that this bottom-up assembled standing
                      metal-molecule nanostructure has an S=1/2 spin which is
                      screened by substrate electrons, resulting in a Kondo
                      temperature of only 291±13 mK. We extract its Landé g
                      factor and its exchange coupling Jρ to the substrate, using
                      a third-order perturbation theory in the weak-coupling and
                      high-field regimes. We also show that the interaction
                      between the scanning tunneling microscope tip and the
                      molecule can tune the exchange coupling.},
      cin          = {PGI-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-3-20110106},
      pnm          = {5213 - Quantum Nanoscience (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5213},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001123024300001},
      doi          = {10.1103/PhysRevResearch.5.033200},
      url          = {https://juser.fz-juelich.de/record/1014722},
}