Kinetics of surface ordering: Pb on Ni(001)

Peter J. Eng; Peter Stephens; Teddy Tse

doi:10.1117/12.49472

1 November 1991 Kinetics of surface ordering: Pb on Ni(001)

Peter J. Eng, Peter Stephens, Teddy Tse

Proceedings Volume 1550, X Rays in Materials Analysis II: Novel Applications and Recent Developments; (1991) https://doi.org/10.1117/12.49472
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

We apply high resolution x-ray diffraction to study the development of the c(2 X 2) phase of Pb on Ni(001). We observe lineshapes in agreement with the scaling theory of Ohta, Jasnow, and Kawasaki, but with an anomalously slow time dependence of average domain size R on time t, R (alpha) t0.12. The presence of 1% - 3% carbon on the surface apparently acts as a weak random field. We are able to understand the observed power law dependence and the observed effect of C density in an adaptation of the analysis of the random field Ising model given by Grinstein and Fernandez.

Citation Download Citation

Peter J. Eng, Peter Stephens, and Teddy Tse "Kinetics of surface ordering: Pb on Ni(001)", Proc. SPIE 1550, X Rays in Materials Analysis II: Novel Applications and Recent Developments, (1 November 1991); https://doi.org/10.1117/12.49472

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