Deutsch
Pallecchi, Emiliano and Gaaß, Markus and Ryndyk, Dmitry and Strunk, Christoph (2008) Carbon nanotube Josephson junctions with Nb contacts. Applied Physics Letters 93 (7), 072501.
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Other URL: http://link.aip.org/link/?APPLAB/93/072501/1
Abstract
We report on the preparation of carbon nanotube Josephson junctions using superconducting electrodes made of niobium. Gate-controllable supercurrents with values of up to 30 nA are induced by the proximity effect. The IV curves are hysteretic at low temperature and the corresponding switching histograms have a width of 0.5%–2%. An on-chip resistive environment integrated in the sample layout is used to increase the switching current.
| Item Type: | Article | ||||||
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| Institutions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Christoph Strunk | ||||||
| Projects: | EU FP6 CARDEQ, GRK 638 Nonlinearity and nonequilibrium in condensed matter | ||||||
| Identification Number: |
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| Classification: |
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| Keywords: | carbon nanotubes, Josephson effect, niobium, proximity effect (superconductivity) | ||||||
| Subjects: | 500 Science > 530 Physics | ||||||
| Status: | Published | ||||||
| Refereed: | Yes, this version has been refereed | ||||||
| Created at the University of Regensburg: | Yes | ||||||
| Owner: | Bernhard Ponn | ||||||
| Deposited On: | 28 May 2009 21:10 | ||||||
| Last Modified: | 27 Aug 2012 15:18 | ||||||
| Item ID: | 8038 |
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