Wetting transitions of liquid hydrogen films

E. Cheng, G. Mistura, H. C. Lee, M. H.W. Chan, M. W. Cole, C. Carraro, W. F. Saam, F. Toigo

Research output: Contribution to journalArticlepeer-review

95 Scopus citations


Calculations are presented in the wetting properties of liquid hydrogen films on various substrates. The well depth D for the adsorption potential is even smaller for alkali metal substrates than for noble gas surfaces. A simple model calculation leads to the prediction that wetting transitions should then occur at a temperature Tw about 20 K. Quartz microbalance data obtained for H2 on Rb are consistent with this result. Specifically, Tw is found to be 17.89±0.04 K. The wetting phase diagram is found to be in good agreement with thermodynamic expectations.

Original languageEnglish (US)
Pages (from-to)1854-1857
Number of pages4
JournalPhysical review letters
Issue number12
StatePublished - 1993

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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