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@ARTICLE{Plank:820734,
      author       = {Plank, H. and Danilov, S. N. and Bel'kov, V. V. and
                      Shalygin, V. A. and Kampmeier, J. and Lanius, Martin and
                      Mussler, G. and Grützmacher, D. and Ganichev, S. D.},
      title        = {{O}pto-electronic characterization of three dimensional
                      topological insulators},
      journal      = {Journal of applied physics},
      volume       = {120},
      number       = {16},
      issn         = {1089-7550},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2016-06001},
      pages        = {165301 -},
      year         = {2016},
      abstract     = {We demonstrate that the terahertz/infrared radiation
                      induced photogalvanic effect, which is sensitive to the
                      surface symmetry and scattering details, can be applied to
                      study the high frequency conductivity of the surface states
                      in (Bi1− xSbx)2Te3 based three dimensional (3D)
                      topological insulators (TIs). In particular, measuring the
                      polarization dependence of the photogalvanic current and
                      scanning with a micrometre sized beam spot across the
                      sample, provides access to (i) topographical inhomogeneities
                      in the electronic properties of the surface states and (ii)
                      the local domain orientation. An important advantage of the
                      proposed method is that it can be applied to study TIs at
                      room temperature and even in materials with a high electron
                      density of bulk carriers.},
      cin          = {PGI-9 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000387580600054},
      doi          = {10.1063/1.4965962},
      url          = {https://juser.fz-juelich.de/record/820734},
}