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Transactions of the Faraday Society


Transactions of the Faraday Society was published from 1905 - 1971.

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Paper

Trans. Faraday Soc. , 1971, 67, 216 - 221, DOI: 10.1039/TF9716700216


Work functions of gold and silver films. Surface potentials of mercury and xenon

R. R. Ford and J. Pritchard


Mercury adsorption on annealed films of gold and silver deposited on glass in a mercury-pumped system gives surface potentials rising smoothly with increasing coverage to maximum values of +0.80 and –0.16 V respectively. The final surface is believed to be mercury-like and this leads to work functions of 5.3 and 4.4 eV for the bare gold and silver films. Pre-adsorption of mercury at room temperature changes the surface potential of xenon from 0.46 to 0.22 V on gold and from 0.47 to 0.25 V on silver. It is considered that mercury contamination of the original films is negligible.