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@ARTICLE{SchmitzAntoniak:858087,
      author       = {Schmitz-Antoniak, Carolin and Izarova, Natalya V. and
                      Svechkina, Nataliya and Smekhova, Alevtina and Stuckart,
                      Maria and Schmitz, Detlef and Kögerler, Paul},
      title        = {{P}olyoxopalladates as {P}rototype {M}olecular {H}ydrogen
                      {U}ptake {S}ystems and {N}ovel {I}n situ {H}ydrogen
                      {D}etectors on the {N}anoscale},
      journal      = {European journal of inorganic chemistry},
      volume       = {2019},
      number       = {3-4},
      issn         = {1434-1948},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2018-07005},
      pages        = {448-455},
      year         = {2019},
      abstract     = {Dodecapalladium(II) oxide‐based molecular nanocubes
                      encapsulating Fe3+ (3d5) or Co2+ (3d7) ions display facile
                      hydrogen uptake with concurrent pronounced magnetization
                      changes that suggests use as molecular hydrogen detection
                      materials. Electronic and magnetic properties were
                      investigated element‐specifically by X‐ray absorption
                      spectroscopy and its associated magnetic circular and linear
                      dichroisms. Hydrogenation reduces the Fe3+ (3d5) ions to a
                      3d6 state while the Co2+ 3d7 configuration remains largely
                      unaffected. However, in both cases, drastic changes of the
                      crystal field and the magnetic properties were observed and
                      quantified. The spin magnetic moments in the as‐prepared
                      state were obtained to be similar to the ones expected for
                      free ions and are reduced significantly by about
                      $30–40 \%$ for both Fe and Co central ions upon loading
                      with hydrogen. In addition, re‐oxidation and hydrogenation
                      in a second cycle were monitored and the sensitivity to
                      hydrogen and oxygen exposure as a function of the peripheral
                      capping groups is discussed.},
      cin          = {PGI-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000456856100020},
      doi          = {10.1002/ejic.201800972},
      url          = {https://juser.fz-juelich.de/record/858087},
}