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@ARTICLE{Weis:151565,
      author       = {Weis, Karl and Wirths, Stephan and Winden, Andreas and
                      Sladek, Kamil and Hardtdegen, Hilde and Lüth, Hans and
                      Grützmacher, Detlev and Schäpers, Thomas},
      title        = {{Q}uantum dots in {I}n{A}s nanowires induced by surface
                      potential fluctuations},
      journal      = {Nanotechnology},
      volume       = {25},
      number       = {13},
      issn         = {1361-6528},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2014-01458},
      pages        = {135203},
      year         = {2014},
      abstract     = {Back-gated InAs nanowire field-effect transistors are
                      studied focusing on the formation of intrinsic quantum dots,
                      i.e. dots not intentionally defined by electrodes. Such dots
                      have been studied before, but the suggested explanations for
                      their origin leave some open questions, which are addressed
                      here. Stability diagrams of samples with different doping
                      levels are recorded at electron temperatures below 200 mK,
                      allowing us to estimate the number and size of the dots as
                      well as the type of connection, i.e. in series or in
                      parallel. We discuss several potential physical origins of
                      the dots and conclude that they are most probably induced by
                      potential fluctuations at the nanowire surface.
                      Additionally, we show that via gate voltage and doping, the
                      samples can be tuned to different regimes of Coulomb
                      blockade.},
      cin          = {PGI-9 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {421 - Frontiers of charge based Electronics (POF2-421)},
      pid          = {G:(DE-HGF)POF2-421},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000332858700004},
      doi          = {10.1088/0957-4484/25/13/135203},
      url          = {https://juser.fz-juelich.de/record/151565},
}