KINETIC ROUGHENING OF VICINAL SURFACES

被引：129

作者：

WOLF, DE ^{[1
]}

机构：

[1] CEN, F-38041 GRENOBLE, FRANCE

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.67.1783

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

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页码：1783 / 1786

页数：4

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