| 摘要 |
PURPOSE:To obtain a superconductive material of a high critical temperature (Tc) having characteristics of excellent shape retention and stability by depositing raw material powder made up of mixture of specific powders on a metallic substrate and heating and sintering both of the substrate and the raw material powder. CONSTITUTION:Raw material powder which is either a powder mixture or baked powder obtained by baking and milling the powder mixture of oxide, nitride, fluoride, carbonate, nitrate, oxalate or sulfate of each of an element selected from group IIa of the periodic table, an element from group IIIa, and an element selected from groups of Ib, IIb, IIIb, IVa, and VIIIa, is deposited on a metallic substrate. Both the metallic substrate and the raw material powder are heated to sinter the raw material powder. This make it possible to form a compound oxide superconductive sintered material having a high Tc with an excellent repeatability. |
