Linear theory of unstable growth on rough surfaces
نویسندگان
چکیده
منابع مشابه
Linear theory of unstable growth on rough surfaces
Unstable homoepitaxy on rough substrates is treated within a linear continuum theory. The time dependence of the surface width W (t) is governed by three length scales: The characteristic scale l0 of the substrate roughness, the terrace size lD and the Ehrlich-Schwoebel length lES . If lES ≪ lD (weak step edge barriers) and l0 ≪ lm ∼ lD √ lD/lES , then W (t) displays a minimum at a coverage θmi...
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15 صفحه اولLinear systems formulation of scattering theory for rough surfaces with arbitrary incident and scattering angles.
Scattering effects from microtopographic surface roughness are merely nonparaxial diffraction phenomena resulting from random phase variations in the reflected or transmitted wavefront. Rayleigh-Rice, Beckmann-Kirchhoff. or Harvey-Shack surface scatter theories are commonly used to predict surface scatter effects. Smooth-surface and/or paraxial approximations have severely limited the range of ...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 1999
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.60.r16334