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@ARTICLE{Guasco:907713,
      author       = {Guasco, L. and Khaydukov, Yu. N. and Pütter, S. and Silvi,
                      L. and Paulin, M. A. and Keller, T. and Keimer, B.},
      title        = {{R}esonant neutron reflectometry for hydrogen detection},
      journal      = {Nature Communications},
      volume       = {13},
      number       = {1},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Nature Publishing Group UK},
      reportid     = {FZJ-2022-02176},
      pages        = {1486},
      year         = {2022},
      abstract     = {The detection and quantification of hydrogen is becoming
                      increasingly important in research on electronic materials
                      and devices, following the identification of the hydrogen
                      content as a potent control parameter for the electronic
                      properties. However, establishing quantitative correlations
                      between the hydrogen content and the physical properties of
                      solids remains a formidable challenge. Here we report
                      neutron reflectometry experiments on 50 nm thick niobium
                      films during hydrogen loading, and show that the
                      momentum-space position of a prominent waveguide resonance
                      allows tracking of the absolute hydrogen content with an
                      accuracy of about one atomic percent on a timescale of less
                      than a minute. Resonance-enhanced neutron reflectometry thus
                      allows fast, direct, and non-destructive measurements of the
                      hydrogen concentration in thin-film structures, with
                      sensitivity high enough for real-time in-situ studies.},
      cin          = {JCNS-4 / MLZ},
      ddc          = {500},
      cid          = {I:(DE-Juel1)JCNS-4-20201012 / I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 622 - Detector Technologies and Systems
                      (POF4-622)},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-622},
      experiment   = {EXP:(DE-MLZ)MBE-MLZ-20151210 / EXP:(DE-MLZ)N-REX-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {35304444},
      UT           = {WOS:000770716000011},
      doi          = {10.1038/s41467-022-29092-z},
      url          = {https://juser.fz-juelich.de/record/907713},
}