Experimental studies of the vapor phase nucleation of refractory compounds. III. The condensation of silver
- 15 July 1986
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 85 (2) , 1116-1121
- https://doi.org/10.1063/1.451307
Abstract
Measurements are reported of the critical supersaturation necessary to initiate the vapor phase nucleation of silver over the ambient temperature range 500 K≤T≤950 K at total pressures of 250 and 500 Torr of hydrogen. The results are compared with the predictions of both classical nucleation theory and the theory of a physical spinodal developed by Rasmussen, neither of which adequately describe our observations. The nucleation of silver appears to be dependent on the total pressure of the system in a manner which suggests that three-body reactions are necessary in order to form the initial silver clusters (e.g., dimers) from the monoatomic vapor.Keywords
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