Effect of Silver Addition on the New Y3Ba8Cu11Ox Superconductors

Sermsuk Ratreng; Thitipong Kruaehong

doi:10.4028/www.scientific.net/KEM.675-676.517

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 675-676Effect of Silver Addition on the New Y3Ba8Cu11Ox...

Effect of Silver Addition on the New Y₃Ba₈Cu₁₁O_x Superconductors

Abstract:

The Y3-8-11 superconductors and silver composite superconductors were synthesized by solid state reaction. The standard four probes method was used to measure the critical temperature (T_c), and the XRD technique (FULLPROF PROGRAM) was used to determine the lattice parameters, space group and phase compositions. It was found that the pure Y3-8-11 has the lowest T_c onset about 95 K, and the more silver doped concentration, have the higher T_c offset and T_c onset. The samples have both superconducting phase and non-superconducting phase. The silver doped samples have higher superconducting phase. The Pmmm space group was corresponding as to superconducting phase. The non-superconducting phase exhibite in Y211 and BaCuO₂ with Pbnm and Im-3m, respectively. The surface of the silver doped sample is much smoother and denser compared to the undoped samples without impurities.

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Periodical:

Key Engineering Materials (Volumes 675-676)

Pages:

517-521

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.675-676.517

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Online since:

January 2016

Authors:

Sermsuk Ratreng, Thitipong Kruaehong*

Keywords:

Ag Additive, Superconductors, X-Ray Diffraction

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