Shape evolution by surface diffusion

被引：4

作者：

Vilenkin, AJ

Brokman, A

机构：

[1] Division of Applied Physics, Graduate School of Applied Science and Technology, The Hebrew University

来源：

PHYSICAL REVIEW B | 1997年 / 56卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.56.9871

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The surface equation of motion in the continuum limit is derived by considering the diffusion of surface species along the gradient of their chemical potential in the presence of a bulk sink/source. This equation extends Mullins's equation and is distinct from the Cahn-Taylor equation. The characteristic length below which this equation leads to new solutions is in the length scale of many practical problems, e.g., in the interpretation of low-temperature flattening experiments. As an example, we discuss the application to the thermal groove motion.

引用

页码：9871 / 9873

页数：3

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