| Paper | Title | Page |
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WEXA02 |
Material Studies for Understanding of Nb3Sn Cavity Performance Limiting Mechanisms | |
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| Understanding the link between effect of the cavity processing at microscopic level and performance of the cavity after this processing allows new developments of the processing technologies. We have performed extensive microscopic studies of Nb3Sn coated Nb cavity cutouts (from Cornell) with known dissipation characteristics which allowed us to identify material features responsible for the local heating. Using SEM, STEM/EDS, TEM/NED and XRD characterization of Nb3Sn-coated Nb cavity cutouts we show structural and compositional flaws potentially responsible for the poor performance. Analysis of well SRF-characterized Nb3Sn also provided a valuable insight into the nucleation and growth processes, which brings us ahead with understanding of performance-limiting mechanisms in Nb3Sn. | ||
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