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@ARTICLE{onda:907591,
      author       = {Žonda, Martin and Stetsovych, Oleksandr and Korytár,
                      Richard and Ternes, Markus and Temirov, Ruslan and
                      Raccanelli, Andrea and Tautz, F. Stefan and Jelínek, Pavel
                      and Novotný, Tomáš and Švec, Martin},
      title        = {{R}esolving {A}mbiguity of the {K}ondo {T}emperature
                      {D}etermination in {M}echanically {T}unable
                      {S}ingle-{M}olecule {K}ondo {S}ystems},
      journal      = {The journal of physical chemistry letters},
      volume       = {12},
      number       = {27},
      issn         = {1948-7185},
      address      = {Washington, DC},
      publisher    = {ACS},
      reportid     = {FZJ-2022-02097},
      pages        = {6320 - 6325},
      year         = {2021},
      abstract     = {Determination of the molecular Kondo temperature (TK) poses
                      a challenge in most cases when the experimental temperature
                      cannot be tuned to a sufficient extent. We show how this
                      ambiguity can be resolved if additional control parameters
                      are present, such as magnetic field and mechanical gating.
                      We record the evolution of the differential conductance by
                      lifting an individual molecule from the metal surface with
                      the tip of a scanning tunneling microscope. By fitting the
                      measured conductance spectra with the single impurity
                      Anderson model we are able to demonstrate that the lifting
                      tunes the junction continuously from the strongly correlated
                      Kondo-singlet to the free spin-1/2 ground state. In the
                      crossover regime, where TK is similar to the temperature of
                      experiment, the fitting yields ambiguous estimates of TK
                      varying by an order of magnitude. We show that analysis of
                      the conductance measured in two distinct external magnetic
                      fields can be used to resolve this problem.},
      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},
      pubmed       = {pmid:34228474},
      UT           = {WOS:000674852100010},
      doi          = {10.1021/acs.jpclett.1c01544},
      url          = {https://juser.fz-juelich.de/record/907591},
}