High Surface Fields in Superconducting rf Cavities. In Proceedings of SRF

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dc.contributor.authorNorem, J.
dc.contributor.authorInsepov, Z.
dc.contributor.authorBauer, P.
dc.contributor.authorSeidman, D.N.
dc.contributor.authorSebastian, J.
dc.contributor.authorYoon, K.
dc.date.accessioned2017-09-26T11:04:13Z
dc.date.available2017-09-26T11:04:13Z
dc.date.issued2005
dc.description.abstractField emission in cavities requires electric fields that can be high enough to damage materials. We outline a model of breakdown and field emission from local asperities, and show how electric field effects, and field emission of electrons, field evaporation of ions, ultimately fracture, can limit accelerating fields. Although based on data from copper cavities and preliminary results from atom probe tomography experiments, the model seems to be generally valid for DC to 30 GHz, 10-11 to 105 Torr, different materials, temperatures, conditioning status, secondary emitters, strong magnetic fields, atom probe data, and the variety of surfaces encountered during copper cavity conditioning. We believe studies of normal materials can help to understand mechanisms operating in SCRF, such as fracture, field emission and evaporation effects, control of the surface, and surface metallurgy.ru_RU
dc.identifier.citationNorem, J., Insepov, Z., Bauer, P., Seidman, D. N., Sebastian, J., & Yoon, K. (2005). High Surface Fields in Superconducting rf Cavities. In Proceedings of SRF. Proceedings of the 12th International Workshop on RF Superconductivity, Cornell Universityru_RU
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/2697
dc.language.isoenru_RU
dc.publisherProceedings of the 12th International Workshop on RF Superconductivity, Cornell Universityru_RU
dc.rightsOpen Access - the content is available to the general publicru_RU
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectrfru_RU
dc.subjectSCRFru_RU
dc.subjectelectric fieldru_RU
dc.subjectHigh surface fieldsru_RU
dc.titleHigh Surface Fields in Superconducting rf Cavities. In Proceedings of SRFru_RU
dc.typeConference Paperru_RU

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