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Journal Articles Applied Physics Letters Year : 2013

Study of nanometric superconducting multilayers for RF field screening applications

Abstract

Vortex penetration severely limits high field performances in bulk niobium RF cavities for accelerators. To reach higher fields, Gurevich [Appl. Phys. Lett. 88, 012511 (2006)] proposed to deposit nanometric layers (d < λ) to partially screen of the field sensed by niobium. Model (NbN/MgO)n (n = 0 to 4) samples have been deposited on thick Nb layers. This paper presents the first complete characterization set (HC1 and RF surface resistance) of a new family of composite nanostructured superconducting layers deposited on Nb, which are liable to bring a breakthrough in the technology of superconducting accelerating RF cavities.
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Dates and versions

in2p3-00814179 , version 1 (16-04-2013)

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C. Z. Antoine, J. C. Villegier, G. Martinet. Study of nanometric superconducting multilayers for RF field screening applications. Applied Physics Letters, 2013, 102, pp.102603. ⟨10.1063/1.4794938⟩. ⟨in2p3-00814179⟩
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