(2 × 1)-(1 × 1) Phase Transition on Ge(001): Dimer Breakup and Surface Roughening

被引：0

作者：

Van Vroonhoven, Esther ^{[1
]}

Zandvliet, Harold J.W. ^{[1
]}

Poelsema, Bene ^{[1
]}

机构：

[1] Solid State Physics Group, MESA+ Research Institute, University of Twente, P.O. Box 217, Enschede, Netherlands

来源：

Physical Review Letters | 2003年 / 91卷 / 11期

关键词：

Dimers - Electron microscopy - Entropy - High temperature effects - Monomers - Phase transitions - Surface roughness;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A study was performed on (2 × 1)-(1 × 1) phase transition on Ge(001). The physical origin of this transition was the thermally excited breakup of dimers. It was shown that the dimer breakup promoted irreversible surface roughening above 1130 K and reversible surface disorder by step proliferation.

引用

页码：116102 / 116102

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