| 摘要 |
A method of qualifying Niobium and/or other super conducting materials for the reliable fabrication of SCRF cavities , which will invariably deliver high accelerating fields including: identification of the best superconducting lower critical field (HC1) based on subjecting a sample of the superconducting material selectively to mechanical stress, annealing at various temperatures, various chemical treatments, post-chemical treatment baking/annealing; and identification of the best possible thermal conductivity of the material at said best superconducting lower critical field (HC1) to thereby qualify the superconducting material for the reliable fabrication of SCRF cavities adapted to deliver high accelerating fields.
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