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@InProceedings{tiskumara:napac2019-weplm63, author = {J.K. Tiskumara and J.R. Delayen and G.V. Eremeev and H. Park and U. Pudasaini}, title = {{Development of a Secondary Sn Source for Nb3Sn Coating of Half-Wave Coaxial Resonator}}, booktitle = {Proc. NAPAC'19}, pages = {735--738}, paper = {WEPLM63}, language = {english}, keywords = {cavity, niobium, SRF, MMI, superconductivity}, venue = {Lansing, MI, USA}, series = {North American Particle Accelerator Conference}, number = {4}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2019}, issn = {2673-7000}, isbn = {978-3-95450-223-3}, doi = {10.18429/JACoW-NAPAC2019-WEPLM63}, url = {http://jacow.org/napac2019/papers/weplm63.pdf}, note = {https://doi.org/10.18429/JACoW-NAPAC2019-WEPLM63}, abstract = {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.}, }