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@ARTICLE{Jeganathan:203124,
      author       = {Jeganathan, K. and Purushothaman, V. and Debnath, R. K. and
                      Calarco, R. and Luth, H.},
      title        = {{R}aman scattering on intrinsic surface electron
                      accumulation of {I}n{N} nanowires},
      journal      = {Applied physics letters},
      volume       = {97},
      number       = {9},
      issn         = {0003-6951},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2015-05139},
      pages        = {093104 -},
      year         = {2010},
      abstract     = {An intrinsic property of vertically aligned InN nanowire
                      (NW) ensembles have been investigated by analysis of coupled
                      longitudinal optical (LO) phonon mode using μ-Raman
                      scattering. Spectra were recorded in backscattering
                      geometries in parallel and perpendicular to the axis of the
                      NWs. The width of surface accumulation layer is estimated
                      from the LO phonon peak intensity ratios. The carrier
                      concentration is extracted to be 6.7×1016 cm−3. The
                      pronounced peak at 627.2 cm−1 is related to the
                      interaction of phonons with surface electrons. The surface
                      charge density, Nsc is calculated to be
                      ∼2.55×1013 cm−2 which provides surface accumulation
                      field strength of 5.5 Mv/cm.},
      cin          = {PGI-9},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000282187200055},
      doi          = {10.1063/1.3483758},
      url          = {https://juser.fz-juelich.de/record/203124},
}