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@ARTICLE{Cojocariu:890264,
      author       = {Cojocariu, Iulia and Carlotto, Silvia and Sturmeit, Henning
                      Maximilian and Zamborlini, Giovanni and Cinchetti, Mirko and
                      Cossaro, Albano and Verdini, Alberto and Floreano, Luca and
                      Jugovac, Matteo and Puschnig, Peter and Piamonteze, Cinthia
                      and Casarin, Maurizio and Feyer, Vitaliy and Schneider,
                      Claus Michael},
      title        = {{F}errous to {F}erric {T}ransition in
                      {F}e‐{P}hthalocyanine {D}riven by {NO} 2 {E}xposure},
      journal      = {Chemistry - a European journal},
      volume       = {27},
      number       = {10},
      issn         = {1521-3765},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2021-00848},
      pages        = {3526-3535},
      year         = {2021},
      abstract     = {Due to its unique magnetic properties offered by the
                      open‐shell electronic structure of the central metal ion,
                      and for being an effective catalyst in a wide variety of
                      reactions, iron phthalocyanine has drawn significant
                      interest from the scientific community. Nevertheless, upon
                      surface deposition, the magnetic properties of the molecular
                      layer can be significantly affected by the coupling
                      occurring at the interface, and the more reactive the
                      surface, the stronger is the impact on the spin state. Here,
                      we show that on Cu(100), indeed, the strong hybridization
                      between the Fe d‐states of FePc and the sp‐band of the
                      copper substrate modifies the charge distribution in the
                      molecule, significantly influencing the magnetic properties
                      of the iron ion. The FeII ion is stabilized in the low
                      singlet spin state (S=0), leading to the complete quenching
                      of the molecule magnetic moment. By exploiting the
                      FePc/Cu(100) interface, we demonstrate that NO2 dissociation
                      can be used to gradually change the magnetic properties of
                      the iron ion, by trimming the gas dosage. For lower doses,
                      the FePc film is decoupled from the copper substrate,
                      restoring the gas phase triplet spin state (S=1). A higher
                      dose induces the transition from ferrous to ferric
                      phthalocyanine, in its intermediate spin state, with
                      enhanced magnetic moment due to the interaction with the
                      atomic ligands. Remarkably, in this way, three different
                      spin configurations have been observed within the same
                      metalorganic/metal interface by exposing it to different
                      doses of NO2 at room temperature.},
      cin          = {PGI-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {521 - Quantum Materials (POF4-521)},
      pid          = {G:(DE-HGF)POF4-521},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33264485},
      UT           = {WOS:000611088800001},
      doi          = {10.1002/chem.202004932},
      url          = {https://juser.fz-juelich.de/record/890264},
}