3 papers
cond-mat.mtrl-sci2023
Thermodynamic route of Nb3Sn nucleation: Role of oxygen
Zeming Sun, Darrah K. Dare, Zhaslan Baraissov +3
Intermetallic Nb3Sn alloys have long been believed to form through Sn diffusion into Nb. However, our observations of significant oxygen content in Nb3Sn prompted an investigation…
cond-mat.mtrl-sci2023
Surface oxides, carbides, and impurities on RF superconducting Nb and Nb3Sn: A comprehensive analysis
Zeming Sun, Zhaslan Baraissov, Catherine A. Dukes +5
Surface structures on radio-frequency (RF) superconductors are crucially important in determining their interaction with the RF field. Here we investigate the surface compositions,…
cond-mat.mtrl-sci2023
ZrNb(CO) RF superconducting thin film with high critical temperature in the theoretical limit
Zeming Sun, Thomas Oseroff, Zhaslan Baraissov +11
Superconducting radio-frequency (SRF) resonators are critical components for particle accelerator applications, such as free-electron lasers, and for emerging technologies in quant…