Unprecedented quality factors at accelerating gradients up to 45 MVm−1 in niobium superconducting resonators via low temperature nitrogen infusion

We report the finding of new surface treatments that permits one to manipulate the niobium resonator nitrogen content in the first few nanometers in a controlled way, and the resonator fundamental Mattis-Bardeen surface resistance and residual resistance accordingly. In particular, we find surface &...

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Veröffentlicht in:	Superconductor science & technology 2017-09, Vol.30 (9), p.94004
Hauptverfasser:	Grassellino, A, Romanenko, A, Trenikhina, Y, Checchin, M, Martinello, M, Melnychuk, O S, Chandrasekaran, S, Sergatskov, D A, Posen, S, Crawford, A C, Aderhold, S, Bice, D
Format:	Artikel
Sprache:	eng
Schlagworte:	high high accelerating gradient high Q nitrogen doping nitrogen infusion PARTICLE ACCELERATORS radio frequency surface resistance SRF
Online-Zugang:	Volltext
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