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@ARTICLE{Kasama:280300,
      author       = {Kasama, T. and Thuvander, M. and Siusys, A. and Gontard, L.
                      C. and Kovács, A. and Yazdi, S. and Duchamp, M. and
                      Gustafsson, A. and Dunin-Borkowski, Rafal and Sadowski, J.},
      title        = {{D}irect observation of doping incorporation pathways in
                      self-catalytic {G}a{M}n{A}s nanowires},
      journal      = {Journal of applied physics},
      volume       = {118},
      number       = {5},
      issn         = {1089-7550},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2016-00089},
      pages        = {054302 -},
      year         = {2015},
      abstract     = {Doping mechanisms of Mn in GaAs nanowires (NWs) that have
                      been grown self-catalytically at 600 °C by molecular beam
                      epitaxy (MBE) are investigated using advanced electron
                      microscopy techniques and atom probe tomography. Mn is found
                      to be incorporated primarily in the form of non-magnetic
                      tetragonal Ga0.82Mn0.18 nanocrystals in Ga catalyst droplets
                      at the ends of the NWs, while trace amounts of Mn
                      (22 ± 4 at. ppm) are also distributed randomly in the
                      NW bodies without forming clusters or precipitates. The
                      nanocrystals are likely to form after switching off the
                      reaction in the MBE chamber, since they are partially
                      embedded in neck regions of the NWs. The Ga0.82Mn0.18
                      nanocrystals and the low Mn concentration in the NW bodies
                      are insufficient to induce a ferromagnetic phase transition,
                      suggesting that it is difficult to have high Mn contents in
                      GaAs even in 1-D NW growth via the vapor-liquid-solid
                      process.},
      cin          = {PGI-5},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000359376700026},
      doi          = {10.1063/1.4927623},
      url          = {https://juser.fz-juelich.de/record/280300},
}