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Multilayer Solid Adsorption and The Roughening Transition

Published online by Cambridge University Press:  21 February 2011

John D. Weeks
John D. Weeks*
Affiliation:
Bell Laboratories, 600 Mountain Avenue, Murray Hill, NJ 07974, USA
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Abstract

We discuss some the physical issues involved with the adsorption of several layers of a solid adsorbate on a strongly attractive substrate. The experimental observation at low temperature of vertical risers (the “layering transitions”) in the plot of coverage versus pressure can be understood using a one-layer 2D lattice-gas model. The behavior at higher temperature is described in terms of a coarse-grained interface hamiltonian which emphasizes the role of long-wavelength interface fluctuations. A simple variational theory predicts that the coverage in the nth layer is a continuous function of pressure above a critical temperature Tc,n which depends weakly on n and has as its large n limit the bulk roughening temperature TR.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 21: Symposium GREECE – Phase Transformations in Solids , 1983, 597
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

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