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@ARTICLE{Rieger:279869,
      author       = {Rieger, Torsten and Grützmacher, Detlev and Lepsa, Mihail
                      Ion},
      title        = {{I}n{A}s nanowires with {A}l$_x${G}a$_{1−x}${S}b shells
                      for band alignment engineering},
      journal      = {Journal of crystal growth},
      volume       = {425},
      issn         = {0022-0248},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2015-07745},
      pages        = {80 - 84},
      year         = {2015},
      abstract     = {InAs nanowires surrounded by AlxGa1−xSb shells exhibit a
                      change in the band alignment from a broken gap for pure GaSb
                      shells to a staggered type II alignment for AlSb. These
                      different band alignments make InAs/AlxGa1−xSb
                      core–shell nanowires ideal candidates for several
                      applications such as TFETs and passivated InAs nanowires.
                      With increasing the Al content in the shell, the axial
                      growth is simultaneously enhanced changing the morphological
                      characteristics of the top region. Nonetheless, for Al
                      contents ranging from 0 to 100 $\%$ conformal overgrowth of
                      the InAs nanowires was observed. AlGaSb shells were found to
                      have a uniform composition along the nanowire axis. High Al
                      content shells require an additional passivation with GaSb
                      to prevent complete oxidation of the AlSb. Irrespective of
                      the lattice mismatch being $1.2\%$ between InAs and AlSb,
                      the shell growth was found to be coherent.},
      cin          = {PGI-9},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-9-20110106},
      pnm          = {521 - Controlling Electron Charge-Based Phenomena
                      (POF3-521)},
      pid          = {G:(DE-HGF)POF3-521},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000356669200019},
      doi          = {10.1016/j.jcrysgro.2015.03.043},
      url          = {https://juser.fz-juelich.de/record/279869},
}