Paper | Title | Other Keywords | Page |
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THOP01 | Experimental Study of Nucleation for Nb3Sn Diffusion Coatings on Niobium SRF Cavities | niobium, SRF, experiment, accelerating-gradient | 740 |
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Funding: Partially authored by Jefferson Science Associates under Contract No. DE-AC05-06OR23177. Work at William & Mary supported by Office of High Energy Physics under grant SC0014475 Nb3Sn has the potential to achieve superior performance both in terms of operating temperature (4.2 K vs 2 K) and accelerating gradient resulting in significant reduction in both initial and operating costs of SRF linacs. Cavity interior surface coatings are obtained by two-step vapor diffusion: nucleation followed by deposition. To gain more understanding of nucleation and its effect on the subsequent coating, we investigated the effect of varying parameters in a typical tin/tin chloride process. We report findings obtained by SEM/EDS, AFM, SAM and other materials characterization approaches. |
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Slides THOP01 [2.784 MB] | |||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-THOP01 | ||
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