Kinetic roughening of vicinal surfaces

Dietrich E. Wolf
Phys. Rev. Lett. 67, 1783 – Published 23 September 1991
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Abstract

The description of growth at vicinal surfaces leads to an anisotropic generalization of the Kardar-Parisi-Zhang equation [Phys. Rev. Lett. 56, 889 (1986)] which is investigated by a dynamical renormalization calculation. If the nonlinear terms have opposite signs parallel and perpendicular to the average step direction, the roughness is only logarithmic. This should be the case, e.g., for step-flow growth. As the temperature is lowered so that island formation on the terraces becomes significant, a sharp morphological transition to algebraic roughness is predicted.

  • Received 14 June 1991

DOI:https://doi.org/10.1103/PhysRevLett.67.1783

©1991 American Physical Society

Authors & Affiliations

Dietrich E. Wolf

  • Institut für Festkörperforschung, Forschungszentrum Jülich, PF 1913, D-5170 Jülich, Federal Republic of Germany

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Issue

Vol. 67, Iss. 13 — 23 September 1991

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