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@ARTICLE{Bihlmayer:874664,
      author       = {Bihlmayer, Gustav and Sassmannshausen, Jonas and Kubetzka,
                      André and Blügel, Stefan and von Bergmann, Kirsten and
                      Wiesendanger, Roland},
      title        = {{P}lumbene on a {M}agnetic {S}ubstrate: {A} {C}ombined
                      {S}canning {T}unneling {M}icroscopy and {D}ensity
                      {F}unctional {T}heory {S}tudy},
      journal      = {Physical review letters},
      volume       = {124},
      number       = {12},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2020-01580},
      pages        = {126401},
      year         = {2020},
      abstract     = {As a heavy analog of graphene, plumbene is a
                      two-dimensional material with strong spin-orbit coupling
                      effects. Using scanning tunneling microscopy, we observe
                      that Pb forms a flat honeycomb lattice on an Fe monolayer on
                      Ir(111). In contrast, without the Fe layer, a c(2×4)
                      structure of Pb on Ir(111) is found. We use
                      density-functional theory calculations to rationalize these
                      findings and analyze the impact of the hybridization on the
                      plumbene band structure. In the unoccupied states the
                      splitting of the Dirac cone by spin-orbit interaction is
                      clearly observed, while the occupied Pb states are strongly
                      hybridized with the substrate. In a freestanding plumbene we
                      find a band inversion below the Fermi level that leads to
                      the formation of a topologically nontrivial gap. Exchange
                      splitting as mediated by the strong hybridization with the
                      Fe layer drives a quantum spin Hall to quantum anomalous
                      Hall state transition.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
                      Controlling Configuration-Based Phenomena (POF3-143) /
                      Magnetic Anisotropy of Metallic Layered Systems and
                      Nanostructures $(jiff13_20131101)$},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143 /
                      $G:(DE-Juel1)jiff13_20131101$},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32281856},
      UT           = {WOS:000521130900008},
      doi          = {10.1103/PhysRevLett.124.126401},
      url          = {https://juser.fz-juelich.de/record/874664},
}