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TY - CONF AU - Tiskumara, J.K. AU - Delayen, J.R. AU - Eremeev, G.V. AU - Park, H. AU - Pudasaini, U. ED - Yamazaki, Yoshishige ED - Raubenheimer, Tor ED - McCausey, Amy ED - Schaa, Volker RW TI - Development of a Secondary Sn Source for Nb₃Sn Coating of Half-Wave Coaxial Resonator J2 - Proc. of NAPAC2019, Lansing, MI, USA, 01-06 September 2019 CY - Lansing, MI, USA T2 - North American Particle Accelerator Conference T3 - 4 LA - english AB - Superconducting thin films have the potential of reducing the cost of particle accelerators. Among the potential materials, Nb₃Sn has a higher critical temperature and higher critical field compared to niobium. Sn vapor diffusion method is the preferred technique to coat niobium cavities. Although there are several thin-film-coated basic cavity models that are tested at their specific frequencies, the Half-wave resonator could provide us data across frequencies of interest for particle accelerators. With its advanced geometry, increased area, increased number of ports and hard to reach areas, the half-wave resonator needs a different coating approach, in particular, a development of a secondary Sn source. We are commissioning a secondary Sn source in the coating system and expand the current coating system at JLab to coat complex cavity models. PB - JACoW Publishing CP - Geneva, Switzerland SP - 735 EP - 738 KW - cavity KW - niobium KW - SRF KW - MMI KW - superconductivity DA - 2019/10 PY - 2019 SN - 2673-7000 SN - 978-3-95450-223-3 DO - doi:10.18429/JACoW-NAPAC2019-WEPLM63 UR - http://jacow.org/napac2019/papers/weplm63.pdf ER -