High Photoconductivity in Heavily Doped GaAs/AlAs Superlattices with Electric Domains S.K. Paprotskiy, I.V. Altukhov, M.S. Kagan, N.A. Khvalkovskiy, I.S. Vasil’evskii and A.N. Vinichenko EPJ Web Conf., 195 (2018) 02008 Published online: 23 November 2018 DOI: 10.1051/epjconf/201819502008