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Persistent URL http://purl.org/net/epubs/work/32025142
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Record Id 32025142
Title A Facility for Magnetic Field Penetration Measurements on Multilayer S-I-S Structures
Abstract Superconducting RF cavities made of bulk Nb has reached a breakdown field of about 200 mT which is close to the superheating field for Nb. As it was theoretically shown* a multilayer coating can be used to enhance the breakdown field of SRF cavities. The simple example is a superconductor-insulator-superconductor (S-I-S), for example bulk niobium (S) coated with a thin film of insulator (I) followed by a thin layer of a superconductor (S) which could be a dirty niobium**. To verify such an enhancement in a presence of a DC magnetic field at 4.2 K a simple experimental facility was designed, built and tested in ASTeC. The details of experimental setup and results of the measurements will be shown at the conference.
Organisation ASTeC , CI , STFC
Funding Information US Department of Energy (No. DE-SC0010081)
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Language English (EN)
Type Details URI(s) Local file(s) Year
Paper In Conference Proceedings In 17th International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, 13-18 September, 2015, (2015): 716. http://accelconf.…5/papers/tupb059.pdf 2015
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