This paper presents a brief overview of the current state-of-the-art of Josephson junctions for Quantum-based Voltage Standards fabricated with High-Temperature Superconductors (HTS). A short introduction on the history and technical evolution of Low Temperature Superconductors (LTS) technology is provided for non-specialists. Then HTS technology is summarized and discussed in the context of quantum voltage standard applications. Finally, the two most promising technologies: bicrystal and Focused Helium-Ion Beam junctions are discussed with more detail, analyzing strength, limitations and perspectives in both cases.
Present and future of high-temperature superconductor quantum-based voltage standards / Klushin, A.M., Lesueur, J., Kampik, M., Raso, F., Sosso, A., Khorshev, S.K., Bergeal, N., Couedo, F., Feuillet-Palma, C., Durandetto, P., Grzenik, M., Kubiczek, K., Musiol, K., Skorkowski, A.. - In: IEEE INSTRUMENTATION & MEASUREMENT MAGAZINE. - ISSN 1094-6969. - 23:2(2020), pp. 4-12. [10.1109/MIM.2020.9062678]
Present and future of high-temperature superconductor quantum-based voltage standards
Sosso, Andrea;Durandetto, Paolo;
2020
Abstract
This paper presents a brief overview of the current state-of-the-art of Josephson junctions for Quantum-based Voltage Standards fabricated with High-Temperature Superconductors (HTS). A short introduction on the history and technical evolution of Low Temperature Superconductors (LTS) technology is provided for non-specialists. Then HTS technology is summarized and discussed in the context of quantum voltage standard applications. Finally, the two most promising technologies: bicrystal and Focused Helium-Ion Beam junctions are discussed with more detail, analyzing strength, limitations and perspectives in both cases.| File | Dimensione | Formato | |
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