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physics.acc-ph2016
Effect of interstitial impurities on the field dependent microwave surface resistance of niobium
M. Martinello, A. Grassellino, M. Checchin +5
Previous work has demonstrated that the radio frequency surface resistance of niobium resonators is dramatically reduced when nitrogen impurities are dissolved as interstitial in t…
physics.acc-ph2016
Quench-Induced Degradation of the Quality Factor in Superconducting Resonators
M. Checchin, M. Martinello, A. Romanenko +5
Quench of superconducting radio-frequency cavities frequently leads to the lowered quality factor Q0, which had been attributed to the additional trapped magnetic flux. Here we dem…