Nonequilibrium Heating of Electrons, Melting, and Modification of a Nickel Nanofilm by an Ultrashort Terahertz Pulse. - Ashitkov, S. I.; Komarov, P. S.; Ovchinnikov, A. V.; Romashevskiy, S. A.; Struleva, E. V.; Chefonov, O. V.; Agranat, M. B. (JETP Letters, 2024)