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@ARTICLE{Banszerus:877334,
      author       = {Banszerus, L. and Frohn, B. and Fabian, T. and Somanchi, S.
                      and Epping, A. and Müller, M. and Neumaier, D. and
                      Watanabe, K. and Taniguchi, T. and Libisch, F. and
                      Beschoten, B. and Hassler, F. and Stampfer, C.},
      title        = {{O}bservation of the {S}pin-{O}rbit {G}ap in {B}ilayer
                      {G}raphene by {O}ne-{D}imensional {B}allistic {T}ransport},
      journal      = {Physical review letters},
      volume       = {124},
      number       = {17},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2020-02147},
      pages        = {177701},
      year         = {2020},
      abstract     = {We report on measurements of quantized conductance in
                      gate-defined quantum point contacts in bilayer graphene that
                      allow the observation of subband splittings due to
                      spin-orbit coupling. The size of this splitting can be tuned
                      from 40 to 80  μeV by the displacement field. We assign
                      this gate-tunable subband splitting to a gap induced by
                      spin-orbit coupling of Kane-Mele type, enhanced by proximity
                      effects due to the substrate. We show that this spin-orbit
                      coupling gives rise to a complex pattern in low
                      perpendicular magnetic fields, increasing the Zeeman
                      splitting in one valley and suppressing it in the other one.
                      In addition, we observe a spin polarized channel of 6e2/h at
                      high in-plane magnetic field and signatures of interaction
                      effects at the crossings of spin-split subbands of opposite
                      spins at finite magnetic field.},
      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},
      pubmed       = {pmid:32412294},
      UT           = {WOS:000529840700007},
      doi          = {10.1103/PhysRevLett.124.177701},
      url          = {https://juser.fz-juelich.de/record/877334},
}