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@ARTICLE{Feneberg:459165,
      author       = {Feneberg, Martin and Romero, Fátima and Goldhahn, Rüdiger
                      and Wernicke, Tim and Reich, Christoph and Stellmach,
                      Joachim and Mehnke, Frank and Knauer, Arne and Weyers,
                      Markus and Kneissl, Michael},
      title        = {{O}rigin of defect luminescence in ultraviolet emitting
                      {A}l{G}a{N} diode structures},
      journal      = {Applied physics letters},
      volume       = {118},
      number       = {20},
      issn         = {1077-3118},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {PUBDB-2021-02450},
      pages        = {202101},
      year         = {2021},
      abstract     = {Light emitting diode structures emitting in the ultraviolet
                      spectral range are investigated. The samples exhibit defect
                      luminescence bands. Synchrotron-based photoluminescence
                      excitation spectroscopy of the complicated multi-layer
                      stacks is employed to assign the origin of the observed
                      defect luminescence to certain layers. In the case of
                      quantum well structures emitting at 320 and 290 nm, the
                      n-type contact AlGaN:Si layer is found to be the origin of
                      defect luminescence bands between 2.65 and 2.8 eV. For
                      230 nm emitters without such n-type contact layer, the
                      origin of a defect double structure at 2.8 and 3.6 eV can
                      be assigned to the quantum wells.},
      cin          = {DOOR ; HAS-User},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {899 - ohne Topic (POF4-899) / FS-Proposal: I-20100005
                      (I-20100005)},
      pid          = {G:(DE-HGF)POF4-899 / G:(DE-H253)I-20100005},
      experiment   = {EXP:(DE-H253)D-I-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000651189100016},
      doi          = {10.1063/5.0047021},
      url          = {https://bib-pubdb1.desy.de/record/459165},
}