TY JOUR TI FEATURES OF THE FORMATION OF COPPER (II) FERRITE ON THE SURFACE OF A CARBON-CONTAINING MATERIAL KW COKE KW COPPER FERRITE KW SPINEL STRUCTURE KW COMPOSITE MATERIAL FORMATION JO Herald of Technological University AU Zelenskaya, E.A. AU Sundukova, N.G. AU Vyal'cev, A.V. AU Shabel'skaya, N.P. PY 2026 IS 29 PB Kazan National Research Technological University