David Olaya

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SUMMARY We present a technology based on Nb/Nb x Si 1−x /Nb junctions , with barriers near the metal-insulator transition, for applications in superconducting electronics (SCE) as an alternative to Nb/AlO x /Nb tunnel junctions. Josephson junctions with co-sputtered amorphous Nb-Si barriers can be made with a wide variety of electrical properties: critical(More)
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