Abstract
The time-dependent equation of Burton, Cabrera and Frank (BCF) is solved analytically for time-dependent bulk supersaturation tending exponentially to a constant value. As a result, the expression for the transient surface supersaturation is found. Special attention is focused on the particular case of the solution presented, corresponding to an abrupt change in bulk supersaturation from σ o to another constant value σ 1. It is shown that, in this particular case, the solution of the time-dependent BCF equation can be approximated by a simple expression which is accurate for large distances from the step edge. The study of the transient behaviour of surface supersaturation reveals that the time necessary to attain the steady-state value of the surface supersaturation does not depend on the difference between the values σ o and σ 1 of the bulk supersaturation. This time is proportional to the relaxation time for leaving the surface adsorption layer, and increases with increasing interstep distance.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
