J. Phys. IV France 08 (1998) Pr3-259-Pr3-262
Submicron superconductor-insulator-normal tunnel junctions for self-refrigerating bolometersR. Leoni1, G. Arena1, P. Carelli2, M.G. Castellano1, F.V. Greco1, F. Melchiorri3 and G. Torrioli.1
1 IESS-CNR, Via Cineto Romano 42, 00156 Roma, Italy
2 Università dell'Aquila, Monteluco di Roio, 67040 L'Aquila, Italy
3 Università di Roma La Sapienza, Piazzale A. Moro 5, 00185 Roma, Italy
We report on measurements on superconductor-insulator-normal tunnel junctions at temperatures below 1K. The junctions have been fabricated by shadow mask technique and e-beam lithography and have submicron dimensions. The measurements on our junctions show that their characteristics are very sensitive to temperature changes making them suitable for sensing temperature in a bolometer. Measurements on arrays of junctions designed to test the on chip electronic refrigeration will be also shown.
© EDP Sciences 1998