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@ARTICLE{Sforzini:188581,
      author       = {Sforzini, J. and Nemec, L. and Denig, T. and Stadtmüller,
                      B. and Lee, T.-L. and Kumpf, C. and Subach, Sergey and
                      Starke, U. and Rinke, P. and Blum, V. and Posseik, Francois
                      and Tautz, Frank Stefan},
      title        = {{A}pproaching {T}ruly {F}reestanding {G}raphene: {T}he
                      {S}tructure of {H}ydrogen-{I}ntercalated {G}raphene on
                      6{H}−{S}i{C}(0001)},
      journal      = {Physical review letters},
      volume       = {114},
      number       = {10},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-01932},
      pages        = {106804},
      year         = {2015},
      abstract     = {We measure the adsorption height of hydrogen-intercalated
                      quasifreestanding monolayer graphene on the (0001) face of
                      6H silicon carbide by the normal incidence x-ray standing
                      wave technique. A density functional calculation for the
                      full (63√×63√)−R30° unit cell, based on a van der
                      Waals corrected exchange correlation functional, finds a
                      purely physisorptive adsorption height in excellent
                      agreement with experiments, a very low buckling of the
                      graphene layer, a very homogeneous electron density at the
                      interface, and the lowest known adsorption energy per atom
                      for graphene on any substrate. A structural comparison to
                      other graphenes suggests that hydrogen-intercalated graphene
                      on 6H−SiC(0001) approaches ideal graphene.},
      cin          = {PGI-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)PGI-3-20110106},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142)},
      pid          = {G:(DE-HGF)POF3-142},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000352073400018},
      pubmed       = {pmid:25815955},
      doi          = {10.1103/PhysRevLett.114.106804},
      url          = {https://juser.fz-juelich.de/record/188581},
}