Multilayer adsorption on a fractally rough surface

P. Pfeifer, Y. J. Wu, Milton Walter Cole, J. Krim

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Abstract

Models are proposed for thick-film-coverage adsorption on a general fractal surface. The basic idea is that long-range dispersion forces dominate the thermodynamic behavior. The analysis predicts the coverage to be proportional to [ln(P0/P)](D-3)/3 where P/P0 is the relative vapor pressure and D is the fractal dimension of the surface. Experimental examples for this behavior are presented. They are rough Ag surfaces, giving D=2.30.. AE

Original languageEnglish (US)
Pages (from-to)1997-2000
Number of pages4
JournalPhysical Review Letters
Volume62
Issue number17
DOIs
StatePublished - Jan 1 1989

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Pfeifer, P., Wu, Y. J., Cole, M. W., & Krim, J. (1989). Multilayer adsorption on a fractally rough surface. Physical Review Letters, 62(17), 1997-2000. https://doi.org/10.1103/PhysRevLett.62.1997