Production of yttrium high-Tc superconductive ceramics by means of preliminary polymer synthesis

Synthesis of yttrium high-temperature superconductive ceramics by means of copolymerization of metal-containing monomers under conditions of plastic flow by high pressure (1 GPa) is studied. The metal-containing copolymers were subjected to thermoprocessing in the air at 800 deg C; the oxide mixture obtained was ground, pressed and then basically thermoprossed in the air at 920 deg C during 5 hours. Dependences of resistance and magnetic susceptibility for copolymers on the basis of metal acrylates are presented. The zero resistance in the sample is achieved at 87 K