JACoW is a publisher in Geneva, Switzerland that publishes the proceedings of accelerator conferences held around the world by an international collaboration of editors.
TY - CONF AU - Shpani, L. AU - Arias, T. AU - Arnold, S.G. AU - Gaitan, G. AU - Kelley, M.M. AU - Liepe, M. AU - Sitaraman, N. AU - Sun, Z. ED - Zimmermann, Frank ED - Tanaka, Hitoshi ED - Sudmuang, Porntip ED - Klysubun, Prapong ED - Sunwong, Prapaiwan ED - Chanwattana, Thakonwat ED - Petit-Jean-Genaz, Christine ED - Schaa, Volker R.W. TI - Study of Chemical Treatments to Optimize Niobium-3 Tin Growth in the Nucleation Phase J2 - Proc. of IPAC2022, Bangkok, Thailand, 12-17 June 2022 CY - Bangkok, Thailand T2 - International Particle Accelerator Conference T3 - 13 LA - english AB - Niobium-3 Tin (Nb₃Sn) is a high-potential material for next-generation Superconducting Radiofrequency (SRF) cavities in particle accelerators. The most promising growth method to date is based on vapor diffusion of tin into a niobium substrate with nucleating agent Tin Chloride (SnCl₂). Still, the current vapor diffusion recipe has significant room for realizing further performance improvement. We are investigating how different chemical treatments on the niobium substrate before coating influence the growth of a smooth and uniform Nb₃Sn layer. More specifically, this study focuses on the interaction between the SnCl₂ nucleating agent and the niobium surface oxides. We compare the effect of different chemical treatments with different pH values on the tin droplet distribution on niobium after the nucleation stage of coating. We also look at the effect that the nucleation temperature has on the smoothness and uniformity of the tin distribution, with the ultimate goal of optimizing the recipe to coat smooth Nb₃Sn cavities. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1295 EP - 1298 KW - niobium KW - cavity KW - SRF KW - radio-frequency KW - site DA - 2022/07 PY - 2022 SN - 2673-5490 SN - 978-3-95450-227-1 DO - doi:10.18429/JACoW-IPAC2022-TUPOTK036 UR - https://jacow.org/ipac2022/papers/tupotk036.pdf ER -