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TY - CPAPER AU - Vostrikov, A. AU - Grassellino, A. AU - Horyn, L. AU - Kim, Y.K. AU - Murat, T. AU - Romanenko, A. AU - Vostrikov, A. TI - Modifications of Superconducting Properties of Niobium Caused by Nitrogen Doping of Ultra-High Quality Factor Cavities J2 - Proc. of International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 AB - We have performed detailed studies using DC and AC magnetometry and electrical resistivity measurements of niobium samples prepared using different nitrogen doping recipes. We compare the results to the samples prepared by standard preparation techniques such as EP with and without additional 120C baking to get insight into driving factors of the lowered quench field in N-doped SRF cavities. PB - JACoW CY - Geneva, Switzerland SP - 144 EP - 148 KW - niobium KW - SRF KW - cavity KW - superconductivity KW - vacuum DA - 2015/12 PY - 2015 SN - 978-3-95450-178-6 DO - 10.18429/JACoW-SRF2015-MOPB027 UR - http://srf2015.vrws.de/papers/mopb027.pdf ER -