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Citation: Ren Yufang, Meng Jian, Niu Manzhi. EFFECT OF SILVER ON THE ENHANCEMENT OF J_c IN Yba₂Cu₃O_7-y SUPERCONDUCTOR[J]. Chinese Journal of Applied Chemistry, ;1990, 7(3): 43-46. shu

EFFECT OF SILVER ON THE ENHANCEMENT OF J_c IN Yba₂Cu₃O_7-y SUPERCONDUCTOR

1.
Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received Date: 1 August 1989
Available Online: 8 December 1989
Fund Project:

The structure and properties of YBa₂Cu₃O_7-y:Ag_x superconductor have been studied. The system showed lower normal state resistivity and better ductility.XRD analysis showed that the system remains orthorhombic structure when the content of silver x<2.0.Increase of Ag did not change the a and b axes but substantially expanded in the c axis about 0.33% at x=1.5. This indicates that the silver has partly enter into the lattice cell of 123 phase.YBa₂Cu₃O_7-y:Ag_x exhibits fine grains and net framework improving the weak-link in it in SEM. The critical current density is enhanced from 50A/cm² to 572A/cm².
- YBa₂Cu₃O_7-y:Ag_x,
- superconductor,
- silver
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EFFECT OF SILVER ON THE ENHANCEMENT OF J_c IN Yba₂Cu₃O_7-y SUPERCONDUCTOR