Loading…
Low-temperature vacuum tunneling microscopy
We report what we believe is the first use of a vacuum tunneling microscope to spatially resolve changes in the electronic structure of a superconducting surface. The exponential dependence of the tunneling resistance on gap spacing is demonstrated at 300, 77, and 15 K. Current-voltage characteristi...
Saved in:
Published in: | Applied physics letters 1984-01, Vol.45 (11), p.1240-1242 |
---|---|
Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Summary: | We report what we believe is the first use of a vacuum tunneling microscope to spatially resolve changes in the electronic structure of a superconducting surface. The exponential dependence of the tunneling resistance on gap spacing is demonstrated at 300, 77, and 15 K. Current-voltage characteristics at low temperature show a structure that can be attributed to the superconducting gap of the Nb3Sn sample studied. We observe reproducible changes in this structure as the tip is laterally scanned between two locations on the surface separated by 220 Å. |
---|---|
ISSN: | 0003-6951 1077-3118 |
DOI: | 10.1063/1.95077 |