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@ARTICLE{Khomenko:860476,
      author       = {Khomenko, Alexei and Zakharov, Miroslav and Boyko, Denis
                      and Persson, Bo},
      title        = {{A}tomistic modeling of tribological properties of {P}d and
                      {A}l nanoparticles on a graphene surface},
      journal      = {Beilstein journal of nanotechnology},
      volume       = {9},
      issn         = {2190-4286},
      address      = {Frankfurt, M.},
      publisher    = {Beilstein-Institut zur Förderung der Chemischen
                      Wissenschaften},
      reportid     = {FZJ-2019-01230},
      pages        = {1239 - 1246},
      year         = {2018},
      abstract     = {Background: The frictional properties of nanoparticles have
                      been studied to gain insight into the fundamental origin of
                      sliding friction.Results: Using molecular dynamics we
                      investigate frictional properties of aluminum and palladium
                      nanoparticles deposited on a graphene layer. We study the
                      time evolution of the total momentum of the system, the
                      total and potential energies, the temperature, the velocity
                      and position of the center of mass, the dimensions of the
                      nanoparticle, and the friction and substrate forces acting
                      on the particle. We also study how the friction force
                      depends on the nanoparticle–graphene contact area and the
                      temperature.Conclusion: The tribological properties of
                      nanoparticles strongly depend on the materials. The
                      particles move in an irregular (saw-like) manner. The
                      averaged friction force depends nearly linearly on the
                      contact area and non-monotonously on temperature. We observe
                      ordered crystalline domains of atoms at the bottom surface
                      of the metal particles, but the peaks of radial distribution
                      function are blurred indicating that the nanoparticles are
                      amorphous or polycrystalline.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {141 - Controlling Electron Charge-Based Phenomena
                      (POF3-141)},
      pid          = {G:(DE-HGF)POF3-141},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29765801},
      UT           = {WOS:000430879100001},
      doi          = {10.3762/bjnano.9.115},
      url          = {https://juser.fz-juelich.de/record/860476},
}