Multiple superconducting ring ratchet

V. Gurtovoi², V. Antonov¹
Department of Physics, Royal Holloway University¹ , London, UK
Equipment: JEOL JSM 6460 SEM

Institute of Microelectronics Technology, RAS, Chernogolovka, Russia²

Multiple superconducting ring ratchet for ultrasensitive detection of nonequilibrium noise (noise detector). This structure consists of 667 asymmetric aluminum rings of 1 µm in diameter connected in series on silicon substrate.
Figure shows a fragment of the structure.

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