High-temperature Josephson diode
Publication type: Journal Article
Publication date: 2024-02-06
scimago Q1
wos Q1
SJR: 14.204
CiteScore: 61.8
Impact factor: 38.5
ISSN: 14761122, 14764660
PubMed ID:
38321240
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
Many superconducting systems with broken time-reversal and inversion symmetry show a superconducting diode effect, a non-reciprocal phenomenon analogous to semiconducting p–n-junction diodes. While the superconducting diode effect lays the foundation for realizing ultralow dissipative circuits, Josephson-phenomena-based diode effect (JDE) can enable the realization of protected qubits. The superconducting diode effect and JDE reported thus far are at low temperatures (~4 K), limiting their applications. Here we demonstrate JDE persisting up to 77 K using an artificial Josephson junction of twisted layers of Bi2Sr2CaCu2O8+δ. JDE manifests as an asymmetry in the magnitude and distributions of switching currents, attaining the maximum at 45° twist. The asymmetry is induced by and tunable with a very small magnetic field applied perpendicular to the junction and arises due to interaction between Josephson and Abrikosov vortices. We report a large asymmetry of 60% at 20 K. Our results provide a path towards realizing superconducting Josephson circuits at liquid-nitrogen temperature. A large Josephson diode effect has been reported at liquid-nitrogen temperatures in twisted flakes of Bi2Sr2CaCu2O8+δ.
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Metrics
49
Total citations:
49
Citations from 2024:
49
(100%)
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GOST
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Ghosh S. et al. High-temperature Josephson diode // Nature Materials. 2024. Vol. 23. No. 5. pp. 612-618.
GOST all authors (up to 50)
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Ghosh S., Patil V., Basu A., Kuldeep, Dutta A., Jangade D. A., Kulkarni R., Thamizhavel A., Steiner J. F., VON OPPEN F., Deshmukh M. M. High-temperature Josephson diode // Nature Materials. 2024. Vol. 23. No. 5. pp. 612-618.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1038/s41563-024-01804-4
UR - https://doi.org/10.1038/s41563-024-01804-4
TI - High-temperature Josephson diode
T2 - Nature Materials
AU - Ghosh, Sanat
AU - Patil, Vilas
AU - Basu, Amit
AU - Kuldeep
AU - Dutta, Achintya
AU - Jangade, Digambar A
AU - Kulkarni, Ruta
AU - Thamizhavel, Arumugam
AU - Steiner, Jacob F.
AU - VON OPPEN, FELIX
AU - Deshmukh, Mandar M.
PY - 2024
DA - 2024/02/06
PB - Springer Nature
SP - 612-618
IS - 5
VL - 23
PMID - 38321240
SN - 1476-1122
SN - 1476-4660
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2024_Ghosh,
author = {Sanat Ghosh and Vilas Patil and Amit Basu and Kuldeep and Achintya Dutta and Digambar A Jangade and Ruta Kulkarni and Arumugam Thamizhavel and Jacob F. Steiner and FELIX VON OPPEN and Mandar M. Deshmukh},
title = {High-temperature Josephson diode},
journal = {Nature Materials},
year = {2024},
volume = {23},
publisher = {Springer Nature},
month = {feb},
url = {https://doi.org/10.1038/s41563-024-01804-4},
number = {5},
pages = {612--618},
doi = {10.1038/s41563-024-01804-4}
}
Cite this
MLA
Copy
Ghosh, Sanat, et al. “High-temperature Josephson diode.” Nature Materials, vol. 23, no. 5, Feb. 2024, pp. 612-618. https://doi.org/10.1038/s41563-024-01804-4.
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