Effect of lithium doping on the properties of Tl-based superconductors

Date

2001-09-01

Author

Kayed, TS
Ozkan, H
Hasanlı, Nızamı

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The effects of lithium doping on the formation and properties of the T1-based superconductors have been studied. Lithium atoms up to around 3 mol.% have been added to the oxides of nominal composition Tl1.8Ba2Ca2.2Cu3Ox, and the usual solid-state reaction method has been applied. Lithium additions in the range 0.23-0.29 mol.% increase the fraction of the Tl-2223 phase and significantly improve the critical temperature of the samples. Higher amounts of lithium additions diminish the Tl-2223 phase, reduce the fraction of the Tl-2212 phase, and cause separate non-superconducting phases to be formed.

Subject Keywords

Electrical and Electronic Engineering, Materials Chemistry, Condensed Matter Physics, Metals and Alloys, Ceramics and Composites

URI

https://hdl.handle.net/11511/42923

Collections

Department of Physics, Article