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@ARTICLE{Volokitin:53861,
      author       = {Volokitin, A. I. and Persson, B. N. J. and Ueba, H.},
      title        = {{E}nhancement of noncontact friction between closely spaced
                      bodies by two-dimensional systems},
      journal      = {Physical review / B},
      volume       = {73},
      number       = {16},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-53861},
      pages        = {165423},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We consider the effect of an external bias voltage and the
                      spatial variation of the surface potential on the damping of
                      cantilever vibrations. The electrostatic friction is due to
                      energy losses in the sample created by the electromagnetic
                      field from the oscillating charges induced on the surface of
                      the tip by the bias voltage and spatial variation of the
                      surface potential. A similar effect arises when the tip is
                      oscillating in the electrostatic field created by charged
                      defects in a dielectric substrate. The electrostatic
                      friction is compared with the van der Waals friction
                      originating from the fluctuating electromagnetic field due
                      to quantum and thermal fluctuation of the current density
                      inside the bodies. We show that the electrostatic and van
                      der Waals friction can be greatly enhanced if on the
                      surfaces of the sample and the tip there are two-dimensional
                      (2D) systems, e.g., a 2D electron system or incommensurate
                      layers of adsorbed ions exhibiting acoustic vibrations. We
                      show that the damping of the cantilever vibrations due to
                      the electrostatic friction may be of similar magnitude as
                      the damping observed in recent experiments by Stipe [Phys.
                      Rev. Lett. 87, 096801 (2001)]. We also show that at short
                      separation the van der Waals friction may be large enough to
                      be measured experimentally.},
      keywords     = {J (WoSType)},
      cin          = {IFF-TH-I},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB30},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK414},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000237155800106},
      doi          = {10.1103/PhysRevB.73.165423},
      url          = {https://juser.fz-juelich.de/record/53861},
}