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@ARTICLE{Hirahara:52975,
      author       = {Hirahara, T. and Nagao, T. and Matsuda, I. and Bihlmayer,
                      G. and Chulkov, E. V. and Koroteev, S. B. and Echenique, P.
                      M. and Saito, M. and Hasagawa, S.},
      title        = {{R}ole of {S}pin-{O}rbit {C}oupling and {H}ybridization
                      {E}ffects in the {E}lectronic {S}tructure of {U}ltrathin
                      {B}i {F}ilms},
      journal      = {Physical review letters},
      volume       = {97},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-52975},
      pages        = {146803},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The electronic structure of Bi(001) ultrathin films
                      (thickness >= 7 bilayers) on Si(111)-7x7 was studied by
                      angle-resolved photoemission spectroscopy and
                      first-principles calculations. In contrast with the
                      semimetallic nature of bulk Bi, both the experiment and
                      theory demonstrate the metallic character of the films with
                      the Fermi surface formed by spin-orbit-split surface states
                      (SSs) showing little thickness dependence. Below the Fermi
                      level, we clearly detected quantum well states (QWSs) at the
                      M ($) over bar point, which were surprisingly found to be
                      non-spin-orbit split; the films are "electronically
                      symmetric" despite the obvious structural nonequivalence of
                      the top and bottom interfaces. We found that the SSs
                      hybridize with the QWSs near M ($) over bar and lose their
                      spin-orbit-split character.},
      keywords     = {J (WoSType)},
      cin          = {IFF-TH-I},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB30},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000241057100060},
      doi          = {10.1103/PhysRevLett.97.146803},
      url          = {https://juser.fz-juelich.de/record/52975},
}