Abstract
The application of single molecules as templates for nanodevices is a promising direction for nanotechnology. We used a pair of suspended DNA molecules as templates for superconducting two-nanowire devices. Because the resulting wires are very thin, comparable to the DNA molecules themselves, they are susceptible to thermal fluctuations typical for one-dimensional superconductors and exhibit a nonzero resistance over a broad temperature range. We observed resistance oscillations in these two-nanowire structures that are different from the usual Little-Parks oscillations. Here, we provide a quantitative explanation for the observed quantum interference phenomenon, which takes into account strong phase gradients created in the leads by the applied magnetic field.
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Dates
Type | When |
---|---|
Created | 20 years, 2 months ago (June 16, 2005, 5:08 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 9, 2024, 11:32 p.m.) |
Indexed | 4 weeks, 2 days ago (Aug. 6, 2025, 9:21 a.m.) |
Issued | 20 years, 2 months ago (June 17, 2005) |
Published | 20 years, 2 months ago (June 17, 2005) |
Published Print | 20 years, 2 months ago (June 17, 2005) |
@article{Hopkins_2005, title={Quantum Interference Device Made by DNA Templating of Superconducting Nanowires}, volume={308}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1111307}, DOI={10.1126/science.1111307}, number={5729}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Hopkins, David S. and Pekker, David and Goldbart, Paul M. and Bezryadin, Alexey}, year={2005}, month=jun, pages={1762–1765} }