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@ARTICLE{Posseik:19653,
      author       = {Posseik, Francois and Giovanelli, L. and Amsalem, P. and
                      Petaccia, L. and Topwal, D. and Gorovikov, S. and Abel, M.
                      and Koch, N. and Porte, L. and Goldoni, A. and Themlin,
                      J.-M.},
      title        = {{F}inal-state diffraction effects in angle-resolved
                      photoemission at an organic-metal interface},
      journal      = {Physical review / B},
      volume       = {84},
      number       = {24},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-19653},
      pages        = {241407},
      year         = {2011},
      note         = {The authors acknowledge V. N. Strocov for fruitful
                      discussions. D. Lonza is acknowledged for technical
                      assistance during the experiments. P.A. and N.K. gratefully
                      acknowledge financial support by the DFG.},
      abstract     = {In this paper it is shown that angle-resolved photoemission
                      performed using low-energy photons on an organicmetal
                      interface allows to clearly distinguish genuine interface
                      states from features of substrate photoelectrons diffracted
                      by the molecular lattice. As a model system an ordered
                      monolayer of Zn-phthalocyanine is used as a diffraction
                      lattice to probe the electronic band structure of a Ag(110)
                      substrate. Photoemission close to normal emission geometry
                      reveals strongly dispersive features absent in the pristine
                      substrate spectra. Density functional theory modeling helped
                      identifying these as bulk sp direct transitions undergoing
                      surface-umklapp processes. The present results establish the
                      important role of final-state diffraction effects in
                      photoemission experiments at organic-inorganic interfaces.},
      keywords     = {J (WoSType)},
      cin          = {PGI-3 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-3-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000298563100001},
      doi          = {10.1103/PhysRevB.84.241407},
      url          = {https://juser.fz-juelich.de/record/19653},
}