Single-atom contacts with a scanning tunnelling microscope

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.

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Additional data

Published in:
New Journal of Physics
Publisher:
IOP Publishing
Publishing place:
[Bad Honnef]
[London]
Vol.:
11
No.:
12
ISSN:
1367-2630
Date Issued:
2009
URN:
urn:nbn:de:gbv:8:3-2026-00266-3
DOI:
10.1088/1367-2630/11/12/125006
Language:
English
Type of Resource:
Text
Keywords:
Cryogenic scanning tunnelling microscope; Single atoms; Metal surfaces; Tunnelling contact; Silver; Gold atoms; Single-atom junctions; Spectroscopic measurements; Abrikosov–Suhl resonance; Kondo impurities
Classification:
Published version
DDC subject of DNB:
530 Physics
Hosting institution:
Faculties, Faculty of Mathematics and Natural Sciences

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