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Phys. Rev. Lett. 59, 315–318 (1987)

Scaling in the ordering kinetics of a chemisorbed overlayer: W(110)-p(21)O

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M. C. Tringides, P. K. Wu, and M. G. Lagally
University of WisconsinMadison, Madison, Wisconsin 53706

Received 27 January 1987; published in the issue dated 20 July 1987

Measurements of the ordering kinetics for the p(2×1) chemisorbed layer on W(110) have been made by LEED angular-profile analysis at coverages at which the p(2×1) sturcture exists as a single phase and coexists with disordered lattice gas. It is shown that the growth of ordered domains proceeds with a power-law time dependence, consistent with calculations, and obeys a scaling relationship. In the coexistence region, a bimodal size distribution is observed.

© 1987 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.59.315
DOI:
10.1103/PhysRevLett.59.315
PACS:
68.35.Md, 64.70.Kb, 68.55.Jk