Some Properties of Y3-8-11/Y211 Composite Bulk Superconductors

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Published: Mar 30, 2018
Keywords:
Y-based superconductor, Solid state reaction, Y211

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Thitipong Kruaehong*
Department of Physics, Faculty of Science and Technology, Suratthani Rajabhat University,Suratthani, Thailand
Supphadate Sujinnapram
Department of Physics, Faculty of Liberal Arts and Science, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
Tunyanop Nilkamjon
Department of Physics, Faculty of Liberal Arts and Science, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
Sermsuk Ratreng
Prasanmitr Physics Research, Department of Physics, Faculty of Science, Srinakharinwirot University, Bangkok, Thailand
Pongkaew Udomsamuthirun
Prasanmitr Physics Research, Department of Physics, Faculty of Science, Srinakharinwirot University, Bangkok, Thailand, Thailand Center of Excellence in Physics(TheP), Bangkok, Thailand

Abstract

In this research, we investigated the properties of Y3-8-11 superconductor formed by the mixing of the non-superconducting Y211 material and Y3-8-11 at several contents. The critical temperature, XRD and DTA were measured. The Y3-8-11 and Y3-8-11/Y211 superconductors were synthesized using solid state reaction. We found that the Y3-8-11 superconductor showed the same property as Y123 except the lattice parameter in c-direction and DTA spectra. The lattice parameter c/a ratio of Y123 and Y3-8-11 were 3.06 and 9.15, respectively. The Y3-8-11 showed two peritectic phases but Y123 has one peritectic phase. The more non-superconducting composition, the lower value of c direction of Y3-8-11 was found. As Y211 composition increasing, the critical temperature decreased.


Keywords: Y-based superconductor, Solid state reaction, Y211


Email: [email protected]

Article Details

Issue
Vol. 13 No. 1 (2013)
Section
Regular Paper

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