Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Zu-Hawn Sung"'
Autor:
Shreyas Balachandran, Anatolii Polyanskii, Santosh Chetri, Pashupati Dhakal, Yi-Feng Su, Zu-Hawn Sung, Peter J. Lee
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract Elemental type-II superconducting niobium is the material of choice for superconducting radiofrequency cavities used in modern particle accelerators, light sources, detectors, sensors, and quantum computing architecture. An essential challen
Externí odkaz:
https://doaj.org/article/db536317d1994772aeeba4a1a0aeec51
Autor:
Peter J. Lee, Shreyas Balachandran, Zu-Hawn Sung, Yi-Feng Su, Pashupati Dhakal, Santosh Chetri, Anatolii Polyanskii
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Scientific Reports
Scientific Reports
Elemental type-II superconducting niobium is the material of choice for superconducting radiofrequency cavities used in modern particle accelerators, light sources, detectors, sensors, and quantum computing architecture. An essential challenge to inc
Autor:
Sam Posen, Tiziana Spina, Daniel Hall, Jaeyel Lee, Sung Il Baik, David N. Seidman, Zu Hawn Sung, Zugang Mao, Matthias Liepe, Kai He
Publikováno v:
Acta Materialia. 188:155-165
We report on atomic-scale analyses of grain boundary (GB) structures and segregation in Nb3Sn coatings on Nb, prepared by the vapor-diffusion process, for superconducting radiofrequency (SRF) cavity applications, utilizing atom-probe tomography, high
Publikováno v:
APL Materials, Vol 2, Iss 10, Pp 106101-106101-7 (2014)
The important influence of multiple gaps in the superconductivity of MgB2 and Fe-based compounds, especially because of the possibility that manipulation of a second gap can significantly raise the upper critical field Hc2, has refocused attention on
Externí odkaz:
https://doaj.org/article/6d536f9a8101406aa8dc460562413d0c
Autor:
David C. Larbalestier, A.K. Ghosh, Steve M. Heald, Zu-Hawn Sung, Peter J. Lee, Chiara Tarantini, Michael D. Brown
Publikováno v:
Scientific Reports
Scientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
Scientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
To meet critical current density, J$_c$, targets for the Future Circular Collider (FCC), the planned replacement for the Large Hadron Collider (LHC), the high field performance of Nb$_3$Sn must be improved, but champion J$_c$ values have remained sta
Publikováno v:
Superconductor Science and Technology. 31:045001
Autor:
Peter J. Lee, David C. Larbalestier, Santosh Chetri, Anatolii Polyanskii, Mingmin Wang, Shreyas Balachandran, Zu Hawn Sung, Thomas R. Bieler, Chris Compton
Publikováno v:
AIP Conference Proceedings.
High purity (RRR > 200), large grain (> 5-10 cm) niobium ingot slices have been successfully used to fabricate radio frequency (RF) cavities for particle accelerators. They offer significantly reduced fabrication cost by eliminating processing steps
Nb3Sn wires are now very close to their final optimization but despite its classical nature, detailed understanding of the role of Ta and Ti doping in the A15 is not fully understood. Long thought to be essentially equivalent in their influence on Hc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7dc62e35f01226f3c7612462482bde71
Autor:
Thomas R. Bieler, Peter J. Lee, David C. Larbalestier, C. Santosh, Zu-Hawn Sung, Chris Compton, A. A. Polyanskii, Shreyas Balachandran, Mingmin Wang
Publikováno v:
Journal of Applied Physics. 121:193903
This study shows that low angle grain boundaries (LAGBs) can be created by small 5% strains in high purity (residual resistivity ratio ≥ 200) superconducting radio frequency (SRF)-grade single crystalline niobium (Nb) and that these boundaries act
Publikováno v:
AIP Conference Proceedings.
In this review we present a summary of our recent Magneto‐Optical (MO) imaging of high‐purity Nb for SRF cavity application. Superconducting RF cavities have been chosen as the accelerating technology for the International Linear Collider, and it