Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Leith, Stewart"'
Autor:
Bianchi, Antonio, Bonura, Marco, Carlos, Carlota P. A., Leith, Stewart, Rosaz, Guillaume, Senatore, Carmine, Delsolaro, Walter Venturini
Niobium-coated copper radio-frequency cavities are cost-effective alternatives to bulk niobium cavities, given the lower material costs of copper substrates and their operation in liquid helium at around 4.2 K. However, these cavities historically ex
Externí odkaz:
http://arxiv.org/abs/2403.11245
The performance of superconducting radio-frequency (SRF) cavities is sometimes limited by local defects. To investigate the RF properties of these local defects, especially those that nucleate RF magnetic vortices, a near-field magnetic microwave mic
Externí odkaz:
http://arxiv.org/abs/2305.07746
Publikováno v:
In Vacuum September 2024 227
Akademický článek
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Autor:
Leith, Stewart, Butz, Benjamin, Jiang, Xin, Keckert, Sebastian, Knobloch, Jens, Kugeler, Oliver, Li, Ying, Müller, Julian, Ries, Rastislav, Seiler, Eugen, Sezgin, A. Ozdem, Tikhonov, Dmitry, Vogel, Michael
In recent years, the use of alternatives to bulk Nb in the fabrication of SRF cavities, including novel materials and/or fabrication techniques, have been extensively explored by the SRF community. One of these new methodologies is the use of a super
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4098dc49b8e94c7e0f896f3aa2c2878b
As part of efforts to improve the performance of SRF cavities, the use of alternative structures, such as superconductor-insulator-superconductor (SIS) film coatings have been extensively investigated. Initial efforts using DC magnetron sputtering (M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecdf772fb4598f830b2e9caf836c149f
Autor:
Turner, Daniel, Burt, Graeme, Chyhyrynets, Eduard, Dumbell, Keith, Junginger, Tobias, Leith, Stewart, Malyshev, Oleg, Medvids, Arturs, Onufrijevs, Pavels, Pira, Cristian, Ries, Rastislav, Seiler, Eugen, Sublet, Alban, Valizadeh, Reza, Vogel, Michael, Wilson, James
Superconducting (SC) thin film coatings on Cu substrates are already widely used as an alternative to bulk Nb SRF structures. Using Cu allows improved thermal stability compared to Nb due to having a greater thermal conductivity. Niobium thin film co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e005c6e0f18770f82d4a86e669c92b7f
http://cds.cern.ch/record/2846171
http://cds.cern.ch/record/2846171
Autor:
Valizadeh, Reza, Antoine, Claire, Chyhyrynets, Eduard, Goudket, Philippe, Hannah, Adrian, Kugeler, Oliver, Leith, Stewart, Malyshev, Oleg, Medvids, Arturs, Onufrijevs, Pavels, Pira, Cristian, Seal, Daniel, Sezgin, A. Ozdem, Sian, Bhagat-Taaj, Stenning, Gavin, Sublet, Alban, Tikhonov, Dmitry, Turner, Daniel, Vandoni, Giovanna, Vega Cid, Lorena, Venturini Delsolaro, Walter, Vidal García, Pablo, Vogel, Michael
Publikováno v:
JACoW
20th International Conference on RF Superconductivity
20th International Conference on RF Superconductivity, Jun 2021, Online Conference, United States. pp.893-898, ⟨10.18429/JACoW-SRF2021-FROFDV06⟩
20th International Conference on RF Superconductivity
20th International Conference on RF Superconductivity, Jun 2021, Online Conference, United States. pp.893-898, ⟨10.18429/JACoW-SRF2021-FROFDV06⟩
"Bulk niobium (Nb) has been the material of choice for superconducting RF (SRF) cavities but for further improvement in cavity RF performance, one may have to turn to films of Nb and to other superconducting materials deposited on copper as thermal a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59301265ab46f764d3aa56f3118936ec
Autor:
Vega Cid, Lorena, Atieh, Said, Ferreira, Leonel, Laín-Amador, Lucia, Leith, Stewart, Pereira Carlos, Carlota, Rosaz, Guillaume, Scibor, Karol, Venturini Delsolaro, Walter, Vidal García, Pablo
A necessary condition for high SRF performances in thin film coated cavities is the absence of substrate defects. For instance, in the past, defects originated around electron beam welds in high magnetic field areas have been shown to be the cause of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca10f18529166960222199e9c18157c3
Autor:
Tikhonov, Dmitry, Chyhyrynets, Eduard, Keckert, Sebastian, Knobloch, Jens, Kugeler, Oliver, Leith, Stewart, Pira, Cristian, Vogel, Michael
The systematic study of multilayer SIS films (Superconductor-Insulator-Superconductor) is being conducted in Helmholtz-Zentrum Berlin. Such films theoretically should boost the performance of superconducting cavities, and reduce some problems related
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e77dc6d38bb871bab7529065564cec96