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TY - CPAPER AU - Aull, S. AU - Junginger, T. AU - Knobloch, J. AU - Neupert, H. TI - Secondary Electron Yield of SRF Materials J2 - Proc. of International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 AB - The secondary electron yield (SEY) describes the number of electrons emitted to the vacuum per arriving electron at the surface. For a given geometry, the SEY is the defining factor for multipacting activity. In the quest of superconducting RF materials beyond bulk niobium, we studied the SEY of the currently most important candidates for future SRF applications: Nb3Sn, NbTiN and MgB2. All studies were done on clean but technical surfaces, i.e. on clean surfaces exposed to air and with their native oxides as it would be the case for SRF cavities. PB - JACoW CY - Geneva, Switzerland SP - 686 EP - 690 KW - electron KW - niobium KW - SRF KW - vacuum KW - cavity DA - 2015/12 PY - 2015 SN - 978-3-95450-178-6 DO - 10.18429/JACoW-SRF2015-TUPB050 UR - http://srf2015.vrws.de/papers/tupb050.pdf ER -