Experimental determination of a two-dimensional liquid-vapor critical-point exponent

H. K. Kim, M. H.W. Chan

Research output: Contribution to journalArticlepeer-review

96 Scopus citations

Abstract

The liquid-vapor coexistence boundary of submonolayer CH4 adsorbed on graphite was mapped out in an extensive ac heat-capacity study. The order-parameter exponent that describes the shape of the liquid-vapor coexistence boundary was found to be 0.127 0.020. This is in good agreement with 18, the exact value calculated for a two-dimensional Ising-model system.

Original languageEnglish (US)
Pages (from-to)170-173
Number of pages4
JournalPhysical review letters
Volume53
Issue number2
DOIs
StatePublished - 1984

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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