Investigation of epitaxial niobium based superconducting tunnel junction detectors
Superconducting Nb/Al-AlO sub(x)/Nb tunnel junctions (STJs) with epitaxial niobium base electrode are investigated as weak x-ray detectors. The recorded x-ray spectra show a two peak structure that is attributed to the absorption of 6 keV x-rays in the two junction electrodes. Low Temperature Scanni...
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| Veröffentlicht in: | Physica. B, Condensed matter Condensed matter, 1994-01, Vol.194-96, p.1663-1664 |
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| container_title | Physica. B, Condensed matter |
| container_volume | 194-96 |
| creator | Lemke, S Hebrank, F Fominaya, F Gross, R Huebener, R P Rando, N van Dordrecht, A Huebner, P Videler, P Peacock, A |
| description | Superconducting Nb/Al-AlO sub(x)/Nb tunnel junctions (STJs) with epitaxial niobium base electrode are investigated as weak x-ray detectors. The recorded x-ray spectra show a two peak structure that is attributed to the absorption of 6 keV x-rays in the two junction electrodes. Low Temperature Scanning Electron Microscopy (LTSEM) proves, that the high charge output peak of the x-ray spectra is associated with x-rays absorbed in the epitaxial niobium film. The significantly reduced charge output for events in the polycrystalline niobium electrode is found to be bias voltage dependent. |
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Low Temperature Scanning Electron Microscopy (LTSEM) proves, that the high charge output peak of the x-ray spectra is associated with x-rays absorbed in the epitaxial niobium film. The significantly reduced charge output for events in the polycrystalline niobium electrode is found to be bias voltage dependent.</abstract></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0921-4526 |
| ispartof | Physica. B, Condensed matter, 1994-01, Vol.194-96, p.1663-1664 |
| issn | 0921-4526 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_26502115 |
| source | ScienceDirect Journals (5 years ago - present) |
| title | Investigation of epitaxial niobium based superconducting tunnel junction detectors |
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