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@ARTICLE{BadaRomano:186115,
      author       = {Badía-Romano, L. and Rubín, J. and Magén, C. and
                      Bürgler, Daniel and Bartolomé, J.},
      title        = {{I}ron silicide formation at different layers of
                      ({F}e/{S}i)$_{3}$ multilayered structures determined by
                      conversion electron {M}össbauer spectroscopy},
      journal      = {Journal of applied physics},
      volume       = {116},
      number       = {2},
      issn         = {1089-7550},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2015-00203},
      pages        = {023907},
      year         = {2014},
      abstract     = {The morphology and the quantitative composition of the
                      Fe-Si interface layer forming at each Fe layer of a (Fe/Si)3
                      multilayer have been determined by means of conversion
                      electron Mössbauer spectroscopy (CEMS) and high-resolution
                      transmission electron microscopy (HRTEM). For the CEMS
                      measurements, each layer was selected by depositing the
                      Mössbauer active 57Fe isotope with $95\%$ enrichment.
                      Samples with Fe layers of nominal thickness dFe
                       = 2.6 nm and Si spacers of dSi  = 1.5 nm were
                      prepared by thermal evaporation onto a GaAs(001) substrate
                      with an intermediate Ag(001) buffer layer. HRTEM images
                      showed that Si layers grow amorphous and the epitaxial
                      growth of the Fe is good only for the first deposited layer.
                      The CEMS spectra show that at all Fe/Si and Si/Fe interfaces
                      a paramagnetic c-Fe1− x Si phase is formed, which contains
                      $16\%$ of the nominal Fe deposited in the Fe layer. The
                      bottom Fe layer, which is in contact with the Ag buffer,
                      also contains α-Fe and an Fe1− x Si x alloy that cannot
                      be attributed to a single phase. In contrast, the other two
                      layers only comprise an Fe1− x Si x alloy with a Si
                      concentration of ≃0.15, but no α-Fe.},
      cin          = {PGI-6},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {422 - Spin-based and quantum information (POF2-422)},
      pid          = {G:(DE-HGF)POF2-422},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000340267600047},
      doi          = {10.1063/1.4887522},
      url          = {https://juser.fz-juelich.de/record/186115},
}