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  Morphology transitions at vicinal Cu surfaces based on entropic step-step interaction and diffusion along steps

Emmerich, H. (2002). Morphology transitions at vicinal Cu surfaces based on entropic step-step interaction and diffusion along steps. Physical Review B, 65: 233406. Retrieved from http://ojps.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRBMDO000065000023233406000001&idtype=cvips&gifs=yes.

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Emmerich, H.1, Author              
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1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 MPIPKS: Structure formation and active systems
 Abstract: An extension of the Burton-Cabrera-Frank model including diffusion along steps and entropic step-step interaction is introduced. This extended model is successfully applied to simulate recent experiments at vicinal Cu surfaces [T. Maroutian et al., Phys. Rev. Lett. 83, 4353 (1999)]. In particular, the rise of two qualitatively different morphologies can be explained by the competition of the four distinct driving and restoring forces of the model implying different directions for the growth of instabilities along the step edges. In addition, a linear stability analysis of the extended model is carried out. The result is a wavelength for the fastest growing mode which is larger than the one predicted by Bales and Zangwill and in agreement with the experiments. ©2002 The American Physical Society

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Language(s): eng - English
 Dates: 2002
 Publication Status: Published in print
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Title: Physical Review B
Source Genre: Journal
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Pages: - Volume / Issue: 65 Sequence Number: 233406 Start / End Page: - Identifier: -