Volume 82, Number 2, April 2008
|Number of page(s)||5|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||26 March 2008|
Step-flow growth of a crystal surface by Lévy flights
Department of Engineering Sciences and Applied Mathematics, Northwestern University - Evanston, IL 60208, USA
Accepted: 26 February 2008
Step-flow growth of a crystal surface is considered in the case when the adatom diffusion on the terraces is governed by Lévy flights. A superdiffusive analog of the Burton-Cabrera-Frank (BCF) theory is developed, and the step-flow velocity is found as a function of the terrace width and the anomalous-diffusion exponent. It is shown that the Lévy-flightscontrolled step-flow velocity is lower than that in the case of normal diffusion.
PACS: 81.10.-h – Methods of crystal growth; physics of crystal growth / 81.10.Bk – Growth from vapor / 68.35.Fx – Diffusion; interface formation
© EPLA, 2008
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.