A Tl-based high-temperature superconducting X-band cavity |
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| Authors: | P N Arendt D W Cooke N E Elliott E R Gray K M Hubbard H Piel and G R Swain |
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| Affiliation: | (1) Los Alamos National Laboratory, 87545 Los Alamos, New Mexico;(2) Fachbereich Physik der Bergischen Universität, D-5600 Wuppertal 1, Germany |
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| Abstract: | A nonplanar X-band cavity amenable to coating with high-temperature superconducting films by conventional physical vapor deposition processes has been designed, fabricated, and tested. The cavity geometry resembles a symmetric clamshell configuration. It consists of two truncated cones joined at their bases. The specific dimensions of the cavity were calculated using the SUPERFISH computer code. Cavities were constructed using a silver-based alloy, Consil 995. The separate cavity sections were coated with Tl-based high-temperature superconducting material using a two-step deposition and annealing process. The unloaded Q values for this coated clamshell cavity are 66,000 and 105,000 at 77 and 20 K, respectively. |
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| Keywords: | High-temperature superconductivity X-band cavity Tl-based superconducting films metallic substrates |
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