Research Papers in Physics and Astronomy

 

Date of this Version

5-1-1991

Comments

Published in Mat. Res. Soc. Symp. Proc. Vol. 229. © l991 Materials Research Society. Permission to use.

Abstract

A two dimensional phase transition from one adlayer structure to another is an inherent part of the thermal desorption of one monolayer of Hg on Cu(100). The energetics of this phase transition have been studied using thermal desorption spectroscopy (TDS). The TDS spectra reflect the coexistence of the two structural phases for a range of Hg exposures. The TDS spectra have been analyzed within a Polanyi-Wigner framework modified to account for the phase transition.

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