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@ARTICLE{Moors:850759,
      author       = {Moors, Kristof and Schüffelgen, Peter and Rosenbach,
                      Daniel and Schmitt, Tobias and Schäpers, Thomas and
                      Schmidt, Thomas L.},
      title        = {{M}agnetotransport signatures of three-dimensional
                      topological insulator nanostructures},
      journal      = {Physical review / B},
      volume       = {97},
      number       = {24},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2018-04537},
      pages        = {245429},
      year         = {2018},
      abstract     = {We study the magnetotransport properties of patterned 3D
                      topological insulator nanostructures with several leads,
                      such as kinks or Y-junctions, near the Dirac point with
                      analytical as well as numerical techniques. The interplay of
                      the nanostructure geometry, the external magnetic field, and
                      the spin-momentum locking of the topological surface states
                      lead to a richer magnetoconductance phenomenology as
                      compared to straight nanowires. Similar to straight wires, a
                      quantized conductance with perfect transmission across the
                      nanostructure can be realized across a kink when the input
                      and output channels are pierced by a half-integer magnetic
                      flux quantum. Unlike for straight wires, there is an
                      additional requirement depending on the orientation of the
                      external magnetic field. A right-angle kink shows a unique
                      π-periodic magnetoconductance signature as a function of
                      the in-plane angle of the magnetic field. For a Y-junction,
                      the transmission can be perfectly steered to either of the
                      two possible output legs by a proper alignment of the
                      external magnetic field. These magnetotransport signatures
                      offer new ways to explore topological surface states and
                      could be relevant for quantum transport experiments on
                      nanostructures which can be realized with existing
                      fabrication methods.},
      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:000436907800012},
      doi          = {10.1103/PhysRevB.97.245429},
      url          = {https://juser.fz-juelich.de/record/850759},
}