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@ARTICLE{Lin:1041558,
      author       = {Lin, You-Ron and Wolff, Susanne and Schädlich, Philip and
                      Hutter, Mark and Soubatch, Serguei and Lee, Tien-Lin and
                      Tautz, Frank Stefan and Seyller, Thomas and Kumpf, Christian
                      and Bocquet, François C.},
      title        = {{V}ertical structure of {S}b-intercalated quasifreestanding
                      graphene on {S}i{C}(0001)},
      publisher    = {arXiv},
      reportid     = {FZJ-2025-02315},
      year         = {2021},
      abstract     = {Using the normal incidence x-ray standing wave technique as
                      well as low energy electron microscopy we have investigated
                      the structure of quasi-freestanding monolayer graphene
                      (QFMLG) obtained by intercalation of antimony under the
                      $\left(6\sqrt{3}\times6\sqrt{3}\right)R30^\circ$
                      reconstructed graphitized 6H-SiC(0001) surface, also known
                      as zeroth-layer graphene. We found that Sb intercalation
                      decouples the QFMLG well from the substrate. The distance
                      from the QFMLG to the Sb layer almost equals the expected
                      van der Waals bonding distance of C and Sb. The Sb
                      intercalation layer itself is mono-atomic, flat, and located
                      much closer to the substrate, at almost the distance of a
                      covalent Sb-Si bond length. All data is consistent with Sb
                      located on top of the uppermost Si atoms of the SiC bulk.},
      keywords     = {Materials Science (cond-mat.mtrl-sci) (Other) / FOS:
                      Physical sciences (Other)},
      cin          = {PGI-3},
      cid          = {I:(DE-Juel1)PGI-3-20110106},
      pnm          = {5213 - Quantum Nanoscience (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5213},
      typ          = {PUB:(DE-HGF)25},
      doi          = {10.48550/ARXIV.2111.08926},
      url          = {https://juser.fz-juelich.de/record/1041558},
}