Transition metal-doped Bn (n = 7−10) clusters: confirmation of a circular disk Jellium model Xue Wu, Yuqing Wang, Xiaoyun Zhao, Si Zhou, Sidian Li, Maodu Chen and Jijun Zhao Eur. Phys. J. Plus, 136 3 (2021) 328 Published online: 22 March 2021 DOI: 10.1140/epjp/s13360-021-01315-0