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@ARTICLE{Paens:818194,
      author       = {Paßens, M. and Caciuc, V. and Atodiresei, N. and Moors, M.
                      and Blügel, S. and Waser, R. and Karthäuser, S.},
      title        = {{T}uning the surface electronic structure of a {P}t $_{3}$
                      {T}i(111) electro catalyst},
      journal      = {Nanoscale},
      volume       = {8},
      number       = {29},
      issn         = {2040-3372},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2016-04689},
      pages        = {13924 - 13933},
      year         = {2016},
      abstract     = {Increasing the efficiency and stability of bimetallic
                      electro catalysts is particularly important for future clean
                      energy technologies. However, the relationship between the
                      surface termination of these alloys and their catalytic
                      activity is poorly understood. Therefore, we report on
                      fundamental UHV-SPM, LEED, and DFT calculations of the
                      Pt3Ti(111) single crystal surface. Using voltage dependent
                      imaging the surface termination of Pt3Ti(111) was studied
                      with atomic resolution. Combining these images with
                      simulated STM maps based on ab initio DFT calculations
                      allowed us to identify the three upper layers of the
                      Pt3Ti(111) single crystal and their influence upon the
                      surface electronic structure. Our results show that small
                      changes in the composition of the second and third atomic
                      layer are of significant influence upon the surface
                      electronic structure of the Pt3Ti electro catalyst.
                      Furthermore, we provide relevant insights into the
                      dependence of the surface termination on the preparation
                      conditions.},
      cin          = {PGI-7 / IAS-1},
      ddc          = {600},
      cid          = {I:(DE-Juel1)PGI-7-20110106 / I:(DE-Juel1)IAS-1-20090406},
      pnm          = {524 - Controlling Collective States (POF3-524)},
      pid          = {G:(DE-HGF)POF3-524},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000381815000012},
      pubmed       = {26865393},
      doi          = {10.1039/C5NR08420B},
      url          = {https://juser.fz-juelich.de/record/818194},
}