Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

Nanoscale superconductor/semiconductor hybrid devices are assembled from indium arsenide semiconductor nanowires individually contacted by aluminum-based superconductor electrodes. Below 1 kelvin, the high transparency of the contacts gives rise to proximity-induced superconductivity. The nanowires form superconducting weak links operating as mesoscopic Josephson junctions with electrically tunable coupling. The supercurrent can be switched on/off by a gate voltage acting on the electron density in the nanowire. A variation in gate voltage induces universal fluctuations in the normal-state conductance, which are clearly correlated to critical current fluctuations. The alternating-current Josephson effect gives rise to Shapiro steps in the voltage-current characteristic under microwave irradiation.

Bibliography

Doh, Y.-J., van Dam, J. A., Roest, A. L., Bakkers, E. P. A. M., Kouwenhoven, L. P., & De Franceschi, S. (2005). Tunable Supercurrent Through Semiconductor Nanowires. Science, 309(5732), 272–275.

Authors 6
  1. Yong-Joo Doh (first)
  2. Jorden A. van Dam (additional)
  3. Aarnoud L. Roest (additional)
  4. Erik P. A. M. Bakkers (additional)
  5. Leo P. Kouwenhoven (additional)
  6. Silvano De Franceschi (additional)
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Dates
Type When
Created 20 years, 1 month ago (July 7, 2005, 4:48 p.m.)
Deposited 1 year, 7 months ago (Jan. 9, 2024, 10:02 p.m.)
Indexed 2 weeks, 4 days ago (Aug. 6, 2025, 8:10 a.m.)
Issued 20 years, 1 month ago (July 8, 2005)
Published 20 years, 1 month ago (July 8, 2005)
Published Print 20 years, 1 month ago (July 8, 2005)
Funders 0

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@article{Doh_2005, title={Tunable Supercurrent Through Semiconductor Nanowires}, volume={309}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1113523}, DOI={10.1126/science.1113523}, number={5732}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Doh, Yong-Joo and van Dam, Jorden A. and Roest, Aarnoud L. and Bakkers, Erik P. A. M. and Kouwenhoven, Leo P. and De Franceschi, Silvano}, year={2005}, month=jul, pages={272–275} }