Single-atom contacts with a scanning tunnelling microscope

被引：41

作者：

Kroeger, J. ^{[1
]}

Neel, N. ^{[1
]}

Sperl, A. ^{[1
]}

Wang, Y. F. ^{[1
]}

Berndt, R. ^{[1
]}

机构：

[1] Univ Kiel, Inst Expt & Angew Phys, D-24098 Kiel, Germany

来源：

NEW JOURNAL OF PHYSICS | 2009年 / 11卷

关键词：

QUANTIZED CONDUCTANCE; POINT CONTACTS; GOLD ATOMS; SURFACE; MANIPULATION; DEFORMATION; RESISTANCE; MOLECULES; RESONANCE; TRANSPORT;

D O I：

10.1088/1367-2630/11/12/125006

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The tip of a cryogenic scanning tunnelling microscope is used to controllably contact single atoms adsorbed on metal surfaces. The transition between tunnelling and contact is gradual for silver, while contact to adsorbed gold atoms is abrupt. The single-atom junctions are stable and enable spectroscopic measurements of, e. g., the Abrikosov-Suhl resonance of single Kondo impurities.

引用

页数：10

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