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@INPROCEEDINGS{Schpers:188603,
      author       = {Schäpers, Thomas and Weyrich, Christian and Arango,
                      Yulieth and Schall, Melissa and Heider, Tristan and
                      Kampmeier, Jörn and Lanius, Martin and Mussler, Gregor and
                      Grützmacher, Detlev},
      title        = {{M}agneto-transport measurements on 3-dimensional
                      topological insulator layers and wirestructures},
      reportid     = {FZJ-2015-01945},
      year         = {2015},
      abstract     = {Three-dimensional topological insulators, such as Bi2Te3
                      and Sb2Te3, are known to host surface states that are
                      protected against perturbations by properties of the bulk.
                      With unique features like spinmomentum locking, suppressed
                      backscattering and Majorana fermions these systems are very
                      attractive candidates for future applications in spintronics
                      as well as quantum informationprocessing. In order to gain
                      information on the transport properties on molecular beam
                      epitaxy grown layers of 3-dimensional topological
                      insulators, the magnetoconductance was measured at
                      lowtemperatures. The pronounced weak antilocalization effect
                      found in all our samples confirmed the presence of strong
                      spin-orbit coupling. However, beside the surface channel a
                      considerable bulkconductance contribution was present due to
                      intrinsic doping. Different concepts are discussed, i.e.
                      ternary layers or pn junctions, to reduce this bulk
                      conductance contribution. Finally, transportstudies on
                      lithographically defined wire structures will be presented.},
      month         = {Mar},
      date          = {2015-03-25},
      organization  = {Workshop "Spin coherence and
                       relaxation phenomena in low-dimensional
                       systems, Aachen (Germany), 25 Mar 2015
                       - 27 Mar 2015},
      subtyp        = {Invited},
      cin          = {PGI-9},
      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)6},
      url          = {https://juser.fz-juelich.de/record/188603},
}