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@ARTICLE{Fischer:849691,
      author       = {Fischer, Inga A and Berrier, Audrey and Hornung, Florian
                      and Oehme, Michael and Zaumseil, Peter and Capellini,
                      Giovanni and von den Driesch, Nils and Buca, Dan Mihai and
                      Schulze, Jörg},
      title        = {{O}ptical critical points of {S}i x {G}e 1− x − y {S}n
                      y alloys with high {S}i content},
      journal      = {Semiconductor science and technology},
      volume       = {32},
      number       = {12},
      issn         = {1361-6641},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2018-03827},
      pages        = {124004 -},
      year         = {2017},
      abstract     = {We extend the analysis of optical transition energies above
                      1.5 eV in ternary Si x Ge1−x−y Sn y alloys grown by
                      molecular beam epitaxy to a composition range in which
                      1−x−y is as low as 0.405. Simple models for transition
                      energies assume a quadratic dependence on material content.
                      Comparing our results to existing predictions of the
                      transition energies based on results obtained from samples
                      with much lower Si and Sn content, however, we find a
                      significant disagreement between experiment and theory,
                      indicating that the assumption of a quadratic dependence
                      might not be valid for the entire composition range of the
                      ternary alloy.},
      cin          = {PGI-9 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {521 - Controlling Electron Charge-Based Phenomena
                      (POF3-521)},
      pid          = {G:(DE-HGF)POF3-521},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000415159700001},
      doi          = {10.1088/1361-6641/aa95d3},
      url          = {https://juser.fz-juelich.de/record/849691},
}