Can surface cracks and unipolar arcs explain breakdown and gradient limits?

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dc.contributor.authorInsepov, Z.
dc.contributor.authorNorem, J.
dc.date.accessioned2017-09-27T04:40:54Z
dc.date.available2017-09-27T04:40:54Z
dc.date.issued2013
dc.description.abstractWe argue that the physics of unipolar arcs and surface cracks can help understand rf breakdown, and vacuum arc data. We outline a model of the basic mechanisms involved in breakdown and explore how the physics of unipolar arcs and cracks can simplify the picture of breakdown and gradient limits in accelerators, tokamaks as well as laser ablation, micrometeorites and other applications. Cracks are commonly seen in SEM images of arc damage and they are produced as the liquid metal cools, they produce the required field enhancements to explain field emission data and can produce fractures that would trigger breakdown events. Unipolar arcs can produce currents sufficient to short out rf structures, should cause the sort of damage seen in SEM images, should be unstable and possibly self-quenching as seen in optical fluctuations and surface damage.ru_RU
dc.identifier.citationInsepov, Z., & Norem, J. (2013). Can surface cracks and unipolar arcs explain breakdown and gradient limits?. J. Vac. Sci. Technol. A, 31, 011302.ru_RU
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/2713
dc.language.isoenru_RU
dc.publisherJ. Vac. Sci. Technolru_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.subjectvacuum arc modelru_RU
dc.subjectrf breakdownru_RU
dc.subjectrfru_RU
dc.titleCan surface cracks and unipolar arcs explain breakdown and gradient limits?ru_RU
dc.typeArticleru_RU

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