The Synthesis of YBa3Cu4Ox Superconductor and Comparison with YBa2Cu3Ox

Piyamas Chainok; Supphadate Sujinnapram; Tunyanop Nilkamjon; Sermsuk Ratreng; Kiattipong Somsri; Nantawat Phomphuang; Prachkitti Mychareon; Pongkaew Udomsamuthirun

doi:10.4028/www.scientific.net/AMR.979.220

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 979The Synthesis of YBa3Cu4Ox Superconductor and...

The Synthesis of YBa₃Cu₄O_x Superconductor and Comparison with YBa₂Cu₃O_x

Abstract:

In this research, the Y123 (YBa₂Cu₃O_x) and Y134 (YBa₃Cu₄O_x) superconductors were synthesized by solid state reaction and melt process, respectively. The crystal structure of all the samples were then determined using the Rietveld full-profile analysis method to indicate orthorhombic structure. The resistivity measurements showing T_c onset of Y123 lower than Y134 for solid state reaction but higher than Y134 melt process. However, the critical temperature off-set of Y134 has lower than of Y123. The SEM and EDX show that all samples were inhomogeneous. The SEM micrograph for solid state reaction Y123 has many pores between the grain and the grain size clearly demonstrated and bigger than Y134. It was seen that these pores are party eliminated in melt process samples. FTIR spectra detected the trace of carbonate residue in all samples.

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Periodical:

Advanced Materials Research (Volume 979)

Pages:

220-223

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.979.220

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Online since:

June 2014

Authors:

Piyamas Chainok*, Supphadate Sujinnapram, Tunyanop Nilkamjon, Sermsuk Ratreng, Kiattipong Somsri, Nantawat Phomphuang, Prachkitti Mychareon, Pongkaew Udomsamuthirun

Keywords:

Critical Temperature, Melt Process, Sintering Process, Solid State Reaction, Superconductor

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