Author: Grumstrup, T.P.
Paper Title Page
TUPTB018 MgB₂ Coating Parameter Optimization Using a 1.3-GHz 1-Cell Cavity 425
 
  • T. Tajima, T.P. Grumstrup, J.D. Thompson
    LANL, Los Alamos, New Mexico, USA
  • H. Ito, E. Kako, T. Okada, H. Sakai, K. Umemori
    KEK, Ibaraki, Japan
 
  Funding: DOE Office of Science, Office of High Energy Physics
We have started parameter optimization for the coating of MgB₂ using a 1-cell 1.3-GHz elliptical cavity with holes for small samples. Our coating method is based on a 2-step technique, i.e., coat a B layer by flowing diborane gas in the first step and react it with Mg vapor in the 2nd step. Three 6 mm x 6 mm B-coated flat samples are attached at inlet, outlet beam pipes, and at a cell equator and reacted with Mg vapor with different parameters and conditions. We started to see the superconducting transitions on samples but Tc is still lower than our goal of >35 K. We will present our current status of B-Mg reaction tests and construction of B coating system.
 
DOI • reference for this paper ※ doi:10.18429/JACoW-SRF2023-TUPTB018  
About • Received ※ 06 July 2023 — Revised ※ 26 July 2023 — Accepted ※ 02 September 2023 — Issue date ※ 03 September 2023
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