Direct observation of surface alloying and interface roughening: Growth of an on Fe(001)

被引：31

作者：

Bischoff, MMJ ^{[1
]}

Yamada, T ^{[1
]}

Quinn, AJ ^{[1
]}

van der Kraan, RGP ^{[1
]}

van Kempen, H ^{[1
]}

机构：

[1] Univ Nijmegen, Mat Res Inst, NL-6525 ED Nijmegen, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.87.246102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Scanning tunneling microscopy studies on the growth of Au on Fe(001) are reported. A surface alloy is observed for submonolayer deposition (<0.5 monolayer) at temperatures higher than 370 K. This surface-confined alloy demixes when it is covered with Au and in combination with imperfect layer-by-layer growth a rough interface consisting of Au islands in and Fe islands on the original Fe(001) substrate is created. A real-space high resolution study of this buried interface is possible because of the large difference in interlayer spacing between bcc Fe(001) and fcc Au(001).

引用

页码：246102 / 1

页数：4

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