3 papers
cond-mat.mtrl-sci2020
Theory of the Impact from Grain Boundaries and Substitutional Defects on Superconducting NbSn
Michelle M. Kelley, Nathan S. Sitaraman, Tomás A. Arias
Grain boundaries play a critical role in applications of superconducting NbSn: in dc applications, grain boundaries preserve the material's inherently high critical current den…
cond-mat.supr-con2020
Analysis of Magnetic Vortex Dissipation in Sn-Segregated Boundaries in NbSn Superconducting RF Cavities
Jared Carlson, Alden Pack, Mark K. Transtrum +9
We study mechanisms of vortex nucleation in NbSn Superconducting RF (SRF) cavities using a combination of experimental, theoretical, and computational methods. Scanning transmi…
cond-mat.supr-con2019
Study of Antisite Defects in NbSn: Phase Diagram and Impact on Superconductivity
Nathan S. Sitaraman, Jared Carlson, Alden R. Pack +4
Antisite defects play a critical role in NbSn superconducting radio frequency (SRF) cavity physics. Such defects are the primary form of disorder in NbSn, and are responsib…