Nitrogen infusion R&D at DESY a case study on cavity cut-outs
M Wenskat, C Bate, AD Pandey… - Superconductor …, 2020 - iopscience.iop.org
A first series of nitrogen infusion runs of 1.3 GHz single-cell cavities at DESY resulted in an
unexpected and severe deterioration observed during the vertical cold test. To investigate …
unexpected and severe deterioration observed during the vertical cold test. To investigate …
Analysis of furnace contamination on superconducting radio frequency niobium using secondary-ion mass spectrometry
Detection of surface contamination on niobium materials used in superconducting radio
frequency (SRF) applications is difficult due to quantitative sensitivity and near-atomic depth …
frequency (SRF) applications is difficult due to quantitative sensitivity and near-atomic depth …
Coaxial multimode cavities for fundamental superconducting rf research in an unprecedented parameter space
P Kolb, Z Yao, T Junginger, B Dury, A Fothergill… - … Review Accelerators and …, 2020 - APS
Recent developments in superconducting radio-frequency (SRF) research have resulted in
significant increases of cavity performance. Advances have been made in both reducing rf …
significant increases of cavity performance. Advances have been made in both reducing rf …
First Results of Nb3Sn Coated Cavity by Vapor Diffusion Method at SARI
Q Chen, Y Zong, Z Wang, S Xing, J Wu, P Dong… - Coatings, 2024 - mdpi.com
Nb3Sn is emerging as one of the focal points in superconducting radio frequency (SRF)
research, owing to its excellent superconducting properties. These properties hold …
research, owing to its excellent superconducting properties. These properties hold …
Study of impurity distribution in mechanically polished, chemically treated and high vacuum degassed pure niobium samples using the TOFSIMS technique
A Bose, SC Joshi - Superconductor Science and Technology, 2015 - iopscience.iop.org
The performance of superconducting radio frequency (SRF) cavities is strongly influenced
by various impurities within the penetration depth (∼ 50 nm) of niobium (Nb), which in turn …
by various impurities within the penetration depth (∼ 50 nm) of niobium (Nb), which in turn …
SIMS Investigation of Furnace-Baked Nb
EM Lechner, MJ Kelley, AD Palczewski, CE Reece… - 2022 - osti.gov
Results recently published by Ito et al. showed that" furnace baking" Nb SRF cavities after
electropolishing yields high quality factors and anti-Q-slopes resembling that of N doped …
electropolishing yields high quality factors and anti-Q-slopes resembling that of N doped …
[PDF][PDF] Nitrogen Infusion R&D on single cell cavities at DESY
M Wenskat, A Prudnikava, D Reschke, J Schaffran - Proceedings of SRF, 2017 - jacow.org
A first series of single cell cavities underwent the" Nitrogen Infusion" treatment at DESY.
Samples, which were in the furnace together with the cavities, underwent a series of …
Samples, which were in the furnace together with the cavities, underwent a series of …
Untersuchung der supraleitenden Eigenschaften von Niobnitrid anhand Messungen an einzelligen 3 GHz-Resonatoren
RBF Grewe - 2020 - tuprints.ulb.tu-darmstadt.de
Diese Dissertation befasst sich mit der Erzeugung verschiedener Niobnitridphasen. Einige
dieser Phasen sind aufgrund von höheren Sprungtemperaturen und kritischen …
dieser Phasen sind aufgrund von höheren Sprungtemperaturen und kritischen …
Improving the work function of nitrogen-doped niobium surfaces for SRF cavities by plasma processing
KE Tippey, R Afanador, M Doleans, S Kim… - Journal of Physics …, 2018 - iopscience.iop.org
Work function and surface chemistries of SiC-polished, electropolished, and nitrogen-doped
niobium coupons were analyzed before and after plasma processing using a neon-oxygen …
niobium coupons were analyzed before and after plasma processing using a neon-oxygen …
[PDF][PDF] A SIMS Approach for the Analysis of Furnace Contamination
Detection of surface contamination for SRF material is difficult due to the miniscule quantities
and near atomic resolution needed. Visual inspection of samples known to have …
and near atomic resolution needed. Visual inspection of samples known to have …