Negative magnetoresistance in silicon doped with manganese N. F. Zikrillaev, Kh. M. Iliev, G. Kh. Mavlonov, S. B. Isamov and M. Kh. Madjitov E3S Web of Conf., 401 (2023) 05094 Published online: 11 July 2023 DOI: 10.1051/e3sconf/202340105094