Single-atom manipulation mechanisms during a quantum corral construction

被引：85

作者：

Hla, SW ^{[1
]}

Braun, KF

Rieder, KH

机构：

[1] Ohio Univ, Dept Phys & Astron, Nanoscale & Quantum Phenomena Inst, Athens, OH 45701 USA

[2] Free Univ Berlin, Inst Expt Phys, D-14195 Berlin, Germany

来源：

PHYSICAL REVIEW B | 2003年 / 67卷 / 20期

关键词：

D O I：

10.1103/PhysRevB.67.201402

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We describe a complete picture of how single Ag atoms move on the various potential energy landscapes of an Ag(111) surface during a quantum corral construction by using a scanning tunneling microscope (STM) tip at 6 K. The threshold tunneling resistance and tip-height to move the Ag atom across the surface are experimentally measured as 210+/-19 kOmega and 1.3+/-0.2 A. The experimental atom manipulation signals reveal remarkably detailed atom movement behaviors dependent on the surface crystallographic orientation and offer atomic-level tribology information.

引用

页数：4

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