Conductance of tip–surface and tip–atom junctions on Au(111) explored by a scanning tunnelling microscope

The conductance between the tip of a scanning tunnelling microscope and a Au(111) surface is measured at tip–surface distances comprising tunnelling and contact regions. Contact between the tip and the flat sample surface as well as between the tip and an individual gold atom can be performed reproducibly without deteriorating the imaging capability of the instrument. Measurements performed on the face-centred cubic and hexagonal close-packed stacking domains of the Au(111) surface reconstruction lead to similar conductances of one quantum of conductance at contact.

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Additional data

Published in:
New Journal of Physics
Publisher:
IOP Publishing
Publishing place:
[Bad Honnef]
[London]
Vol.:
9
No.:
5
ISSN:
1367-2630
Pages:
153 - 153
Date Issued:
2007
URN:
urn:nbn:de:gbv:8:3-2026-00433-2
DOI:
10.1088/1367-2630/9/5/153
Language:
English
Type of Resource:
Text
Keywords:
Scanning tunnelling microscopy (STM); Tip–surface conductance; Au(111) surface; Quantum of conductance; Tunnelling regime; Atomic contact; Surface reconstruction; Face-centred cubic (fcc) stacking; Hexagonal close-packed (hcp) stacking; Atomic-scale transport
Classification:
Published version
DDC subject of DNB:
530 Physics
Hosting institution:
Faculties, Faculty of Mathematics and Natural Sciences

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