ACS Nano, volume 11, issue 1, pages 221-226
Strong Superconducting Proximity Effects in PbS Semiconductor Nanowires
Publication type: Journal Article
Publication date: 2017-01-09
General Physics and Astronomy
General Materials Science
General Engineering
Abstract
We report the fabrication of strongly coupled nanohybrid superconducting junctions using PbS semiconductor nanowires and Pb0.5In0.5 superconducting electrodes. The maximum supercurrent in the junction reaches up to ~15 \mu A at 0.3 K, which is the highest value ever observed in semiconductor-nanowire-based superconducting junctions. The observation of microwave-induced constant voltage steps confirms the existence of genuine Josephson coupling through the nanowire. Monotonic suppression of the critical current under an external magnetic field is also in good agreement with the narrow junction model. The temperature-dependent stochastic distribution of the switching current exhibits a crossover from phase diffusion to a thermal activation process as the temperature decreases. These strongly coupled nanohybrid superconducting junctions would be advantageous to the development of gate-tunable superconducting quantum information devices.
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Kim B. K. et al. Strong Superconducting Proximity Effects in PbS Semiconductor Nanowires // ACS Nano. 2017. Vol. 11. No. 1. pp. 221-226.
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Kim B. K., Kim H. S., Yang Y., Peng X., Yu D., Doh Y. Strong Superconducting Proximity Effects in PbS Semiconductor Nanowires // ACS Nano. 2017. Vol. 11. No. 1. pp. 221-226.
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TY - JOUR
DO - 10.1021/acsnano.6b04774
UR - https://doi.org/10.1021/acsnano.6b04774
TI - Strong Superconducting Proximity Effects in PbS Semiconductor Nanowires
T2 - ACS Nano
AU - Kim, Bum Kyu
AU - Kim, Hong Seok
AU - Yang, Yiming
AU - Peng, Xingyue
AU - Yu, Dong
AU - Doh, Yong-Joo
PY - 2017
DA - 2017/01/09
PB - American Chemical Society (ACS)
SP - 221-226
IS - 1
VL - 11
SN - 1936-0851
SN - 1936-086X
ER -
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BibTex
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@article{2017_Kim,
author = {Bum Kyu Kim and Hong Seok Kim and Yiming Yang and Xingyue Peng and Dong Yu and Yong-Joo Doh},
title = {Strong Superconducting Proximity Effects in PbS Semiconductor Nanowires},
journal = {ACS Nano},
year = {2017},
volume = {11},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/acsnano.6b04774},
number = {1},
pages = {221--226},
doi = {10.1021/acsnano.6b04774}
}
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MLA
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Kim, Bum Kyu, et al. “Strong Superconducting Proximity Effects in PbS Semiconductor Nanowires.” ACS Nano, vol. 11, no. 1, Jan. 2017, pp. 221-226. https://doi.org/10.1021/acsnano.6b04774.