STM tip-induced creation and annihilation of small Ge clusters and missing dimer vacancies on Ge(001)

被引：6
|
作者：
Zandvliet, HJW
Wulfhekel, W
Hendriksen, BLM
Hattink, BJ
Poelsema, B
机构：
[1] Univ Twente, Fac Appl Phys, NL-7500 AE Enschede, Netherlands
[2] Univ Twente, Ctr Mat Res, NL-7500 AE Enschede, Netherlands
[3] IGV Forsch Zent Julich, D-52425 Julich, Germany
来源：
PHYSICAL REVIEW B | 1998年 / 57卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.57.1356
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have observed the appearance and disappearance of small Ge clusters and missing dimer vacancies on Ge/(011) during scanning with a scanning tunneling microscope (STM) under standard tunneling conditions at room temperature. We claim that these processes are induced by the STM tip. Moreover, we emphasize that the observed features depend on the usage of different W tips, even if prepared following the same procedure and using the same tunneling conditions, suggesting a critical influence of the tip shape.
引用
收藏
页码：1356 / 1358
页数：3
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