Study of Purity and Electrical Resistivity of Eu1.91Ce0.09CuO4 and Eu1.84Ce0.16CuO4

Yuyu R. Tayubi; Yati Maryati; Nur'aini Nafisah; Diba Grace Auliya; Eka Nurwati; Tiara Amalia; Muhammad Abdan Syakuur; Wiendartun Wiendartun; Selly Feranie; Togar Saragi; Risdiana Risdiana

doi:10.4028/www.scientific.net/KEM.860.160

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Study of Purity and Electrical Resistivity of Eu_1.91Ce_0.09CuO₄ and Eu_1.84Ce_0.16CuO₄
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Study of Purity and Electrical Resistivity of Eu_1.91Ce_0.09CuO₄ and Eu_1.84Ce_0.16CuO₄

Abstract:

The samples of Eu_2-xCe_xCuO₄ (ECCO) with x = 0.09 (Eu_1.91Ce_0.09CuO₄) and x = 0.16 (Eu_1.84Ce_0.16CuO₄) have been synthesized by the solid reaction method without annealing. Each sample is covered with CuO to prevent excess oxygen entering the sample. The purity and electrical resistivity were investigated by x-ray Diffraction (XRD) and resistivity measurements. From the XRD analysis, it was found that the purity of ECCO phase was 93.5% with tetragonal structure of T’ for x = 0.09 while 96.1% for x = 0.16. These results show that the synthesis method with CuO covering has succeeded in synthesizing materials with high purity. From the electrical measurements, the trace of superconductors was not observed in all samples. It is probably the existence of excess oxygen, which was not fully absorbed by CuO Covering.

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Key Engineering Materials (Volume 860)

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160-164

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https://doi.org/10.4028/www.scientific.net/KEM.860.160

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August 2020

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Yuyu R. Tayubi*, Yati Maryati, Nur'aini Nafisah, Diba Grace Auliya, Eka Nurwati, Tiara Amalia, Muhammad Abdan Syakuur, Wiendartun Wiendartun, Selly Feranie, Togar Saragi, Risdiana Risdiana

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Crystal Structure, CuO Covering, Electrical Resistivity, Eu_2-xCe_xCuO₄, Purity

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