S. V. Kara-Murza, K. M. Zhidel, N. V. Korchikova, A. G. Silcheva, Yu. V. Tekhtelev, R. G. Chizhov, A. V. Pavlenko, “Investigation of the optical properties of a BiFeO$_3$/SrTiO$_3$ heterostructure grown on an Al$_2$O$_3$(0001) substrate by RF cathode sputtering”, Optics and Spectroscopy, 130:7 (2022), 1037–1040
