Novel ultra-sonic boron refinement in distilled water for cost-efficient fabrication of MgB.sub.2./sub. bulk ceramic superconductors

Arvapalli, S.S., Miryala, M., Sakai, N., Murakami, M., Jirsa, M. Novel ultra-sonic boron refinement in distilled water for cost-efficient fabrication of MgB₂ bulk ceramic superconductors. Ceramics International. 2022, 48(19), 28102-28111. ISSN 0272-8842. E-ISSN 1873-3956. Available: doi: 10.1016/j.ceramint.2022.06.115.