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@ARTICLE{Rodriguez:1034979,
      author       = {Rodriguez, N. and Gontard, L. and Ma, C. and Xu, Ruibin and
                      Persson, Bo},
      title        = {{O}n {H}ow to {D}etermine {S}urface {R}oughness {P}ower
                      {S}pectra},
      journal      = {Tribology letters},
      volume       = {73},
      number       = {1},
      issn         = {1023-8883},
      address      = {Dordrecht},
      publisher    = {Springer Science Business Media B.V.},
      reportid     = {FZJ-2025-00085},
      pages        = {18},
      year         = {2025},
      abstract     = {Analytical contact mechanics theories depend on surface
                      roughness through the surface roughness power spectrum. In
                      the present study, we evaluated the usability of various
                      experimental methods for studying surface roughness. Our
                      findings indicated that height data obtained from optical
                      methods often lack accuracy and should not be utilized for
                      calculating surface roughness power spectra. Conversely,
                      engineering stylus instruments and atomic force microscopy
                      (AFM) typically yield reliable results that are consistent
                      across the overlapping roughness length scale region. For
                      surfaces with isotropic roughness, the two-dimensional (2D)
                      power spectrum can be derived from the one-dimensional (1D)
                      power spectrum using several approaches, which we explored
                      in this paper.},
      cin          = {PGI-1},
      ddc          = {670},
      cid          = {I:(DE-Juel1)PGI-1-20110106},
      pnm          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001385133500001},
      doi          = {10.1007/s11249-024-01933-6},
      url          = {https://juser.fz-juelich.de/record/1034979},
}