What does an evaporating surface look like?

Alberto Pimpinelli and Jacques Villain

Physica A: Statistical Mechanics and its Applications, 1994, vol. 204, issue 1, 521-542

Abstract: The Burton, Cabrera and Frank model for step flow is discussed in the case of evaporation, taking into account vacancy formation. In this framework, the criterion for nucleation of polyvacancies (“Lochkeime”) on an evaporating vicinal surface with step—step separation l is found to be roughly κl >βγ, where γ is the step stiffness, 1/κ = √Dτv, D is the adatom diffusion constant, τv is the average residence time of adatoms on the surface before desorption and 1/β = kBT. Application to silicon is discussed.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:204:y:1994:i:1:p:521-542

DOI: 10.1016/0378-4371(94)90446-4

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