Synthesis and catalytic properties of nickel (II) - copper (II) ferrite Nina Shabelskaya, Asatullo Radzhabov, Vitalii Taranushich, Victor Chernyshev, Vasilii Demyan and Vera Ulyanova E3S Web Conf., 247 (2021) 01020 Published online: 05 April 2021 DOI: 10.1051/e3sconf/202124701020