Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992spie.1743...24d&link_type=abstract
In: EUV, X-ray, and gamma-ray instrumentation for astronomy III; Proceedings of the Meeting, San Diego, CA, July 22-24, 1992 (A9
Astronomy and Astrophysics
Astronomy
14
Aluminum, Aluminum Oxides, Niobium, Superconducting Devices, Tunnel Diodes, X Ray Astronomy, X Ray Spectroscopy, Elementary Excitations, Energy Gaps (Solid State), Photons
Scientific paper
Superconductive tunnel junctions are under development as detectors for X-ray astronomy in the 0.5 - 10 keV energy range, because of their potentially high energy resolution in combination with high detection efficiency. Absorber-junction combinations offer the prospect of high energy resolution detectors with a high detection efficiency and a reasonable (about 1/sq cm) size. The proximity effect between the Nb absorber and the Al trapping layer plays a dominant role. A study of the proximity effect in Nb/Al/Al2O3/Al/Nb junctions with different Al-layer, the trapping layer, thicknesses is presented.
Bruijn Marcel P.
de Korte Piet A. J.
Flokstra Jaap
Frericks M.
Gijsbertsen J. G.
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