Dislocations and the commensurate-incommensurate transition in two dimensions

S. N. Coppersmith, Daniel S. Fisher, B. I. Halperin, P. A. Lee, W. F. Brinkman

Research output: Contribution to journalArticle

172 Scopus citations

Abstract

The incommensurate adsorbed solid is found to become unstable to dislocations when the lattice period approaches that of a sufficiently low-order commensurate phase such as a 2×1 rectangular overlayer or the (3×3)R 30°hexagonal structure which occurs for krypton on graphite. In these cases, a fluid phase is expected between the commensurate and incommensurate solids.

Original languageEnglish (US)
Pages (from-to)549-552
Number of pages4
JournalPhysical review letters
Volume46
Issue number8
DOIs
StatePublished - Jan 1 1981
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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