Theoretical study on superconductivity of metal-intercalated boron carbon compounds Ya-Ping Li, Ying-Jie Chen and Meng-Meng Zheng Eur. Phys. J. B, 98 1 (2025) 13 Published online: 24 January 2025 DOI: 10.1140/epjb/s10051-024-00860-8