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Phys. Rev. B 64, 125411 (2001) [5 pages]

Surface roughening in low-pressure chemical vapor deposition

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Jason T. Drotar, Y.-P. Zhao, T.-M. Lu, and G.-C. Wang
Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, Troy, New York 12180-3590

Received 1 May 2001; revised 18 June 2001; published 10 September 2001

We examine, using (2+1)-dimensional Monte Carlo simulations, the roughening behavior of a reemission model for chemical vapor deposition. We find that, for pure first-order reemission, the interface roughens logarithmically with time and that the scaling exponents are, for most sets of conditions, close to the exponents of the Edwards-Wilkinson model (α=0, β=0, and z=2). We compare our results to experimental results on chemical vapor deposition.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.64.125411
DOI:
10.1103/PhysRevB.64.125411
PACS:
68.55.Jk, 05.40.-a, 05.45.-a, 68.35.Ct