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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/31973268
Record Status
Checked
Record Id
31973268
Title
First Results of Magnetic Field Penetration Measurements on Multilayer S-I-S Structures
Contributors
OB Malyshev (STFC Daresbury Lab., and Cockcroft Inst.)
,
KD Dumbell (STFC Daresbury Lab., and Cockcroft Inst.)
,
L Gurran (STFC Daresbury Lab., Cockcroft Inst., and Manchester Univ.)
,
N Pattalwar (STFC Daresbury Lab.)
,
SM Pattalwar (STFC Daresbury Lab., and Cockcroft Inst.)
,
R Valizadeh (STFC Daresbury Lab., and Cockcroft Inst.)
,
AV Gurevich
Abstract
The performance of superconducting RF cavities made of bulk Nb is limited by a breakdown field of Bp=~200 mT, close to the superheating field for Nb. A potentially promising solution to enhance the breakdown field of the SRF cavities beyond the intrinsic limits of Nb is a multilayer coating suggested in [1]. In the simplest case, such a multilayer may be a superconductor-insulator-superconductor (S-I-S) coating, for example, bulk niobium (S) coated with a thin film of insulator (I) followed by a thin layer of another superconductor (S) which could be e.g. dirty niobium [2]. Here we report the first results of our measurements of field penetration in Nb thin films and Nb-AlN-Nb multilayer samples at 4.2 K using the magnetic field penetration facility designed, built and tested in ASTeC.
Organisation
ASTeC
,
CI
,
STFC
Keywords
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Language
English (EN)
Type
Details
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Year
Paper In Conference Proceedings
In 7th International Particle Accelerator Conference (IPAC'16), Busan, Korea, 8-13 May 2016, (2016): 2245-2247.
http://accelconf.…/papers/wepmb057.pdf
2016
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