Supercurrents Through Single-Walled Carbon Nanotubes
- 28 May 1999
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 284 (5419), 1508-1511
- https://doi.org/10.1126/science.284.5419.1508
Abstract
Proximity-induced superconductivity in single-walled carbon nanotubes below 1 kelvin, both in a single tube 1 nanometer in diameter and in crystalline ropes containing about 100 nanotubes, was observed. The samples were suspended between two superconducting electrodes, permitting structural study in a transmission electron microscope. When the resistance of the nanotube junction is sufficiently low, it becomes superconducting and can carry high supercurrents. The temperature and magnetic field dependence of the critical current of such junctions exhibits unusual features related to their strong one-dimensional character.Keywords
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