Experimental Research of the Construction and Structural Relaxation of Bi-Sr-Ca-Cu-O Superconductivity System
Since the high-temperature superconductive ceramics came into being, many kinds of superconductors have been discovered in succession. And for the same prescription, because of the different techniques, the transition temperatures of the superconductors gained are also different. Sometimes there are also reports about high-temperature superconductors over 200k. This shows that the superconductive ceramics have many superconductive phases. Expecially, the coexistence of superconductive phases of the Bi-Sr-Ca-Cu-O systems has been already recognized[ 1].
KeywordsCrystal System Structural Relaxation Orthorhombic System Lattice Parameter Measurement Superconductive Ceramic
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