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@ARTICLE{Lin:1041580,
      author       = {Lin, You-Ron and Franke, Markus and Parhizkar, Shayan and
                      Raths, Miriam and Yu, Victor Wen-zhe and Lee, Tien-Lin and
                      Soubatch, Serguei and Blum, Volker and Tautz, F. Stefan and
                      Kumpf, Christian and Bocquet, François C.},
      title        = {{B}oron nitride on {S}i{C}(0001)},
      publisher    = {arXiv},
      reportid     = {FZJ-2025-02319},
      year         = {2022},
      abstract     = {In the field of van der Waals heterostructures, the twist
                      angle between stacked two-dimensional (2D) layers has been
                      identified to be of utmost importance for the properties of
                      the heterostructures. In this context, we previously
                      reported the growth of a single layer of unconventionally
                      oriented epitaxial graphene that forms in a surfactant
                      atmosphere [F. C. Bocquet, et al., Phys. Rev. Lett. 125,
                      106102 (2020)]. The resulting G-R0$^\circ$ layer is aligned
                      with the SiC lattice, and hence represents an important
                      milestone towards high quality twisted bilayer graphene
                      (tBLG), a frequently investigated model system in this
                      field. Here, we focus on the surface structures obtained in
                      the same surfactant atmosphere, but at lower preparation
                      temperatures at which a boron nitride template layer forms
                      on SiC(0001). In a comprehensive study based on
                      complementary experimental and theoretical techniques, we
                      find -- in contrast to the literature -- that this template
                      layer is a hexagonal B$_x$N$_y$ layer, but not high-quality
                      hBN. It is aligned with the SiC lattice and gradually
                      replaced by low-quality graphene in the 0$^\circ$
                      orientation of the B$_x$N$_y$ template layer upon
                      annealing.},
      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.2203.00985},
      url          = {https://juser.fz-juelich.de/record/1041580},
}