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Oon Jew Lee
Universiti Malaysia Terengganu
Materials Science & Nanotechnology Physics

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Effect of Sintering Temperature on the Phase Formation and Superconducting Properties of Bi1.6Pb0.4Sr2Ca2Cu3O10 Ceramics Synthesised via Co-Precipitation Nurhidayah Mohd Hapipi; Soo Kien Chen; Mohd Mustafa Awang Kechik; Kean Pah Lim; Abdul Halim Shaari; Nor Atikah Baharuddin; Nurul Auni Khalid; Muhammad Kashfi Shabdin; Kar Ban Tan; Oon Jew Lee
Journal of Material Science and Radiation Vol. 1 No. 2 (2025): August
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/jmsr.v1i2.387

Abstract

In this work, (Bi, Pb)-2223 superconducting ceramics with the nominal composition Bi1.6Pb0.4Sr2Ca2Cu3O10 were synthesised via the co-precipitation method and sintered at temperatures of 845 °C, 850 °C, and 855 °C. X-ray diffraction (XRD) analysis confirmed the dominance of Bi1.6Pb0.4Sr2Ca2Cu3O10 phase with minor traces of secondary phases, Ca2PbO4 (dicalcium lead (IV) oxide). An increase in sintering temperature led to a larger average grain size and reduced intergranular voids. Electrical resistivity measurements using the four-point probe method revealed the highest superconducting transition temperature (Tc onset = 104 K) for samples sintered at 845 °C. Higher sintering temperatures reduced the value of Tc onset and resulted in a wider transition width, ΔTc. These findings highlight the critical influence of sintering temperature on the structural and microstructural properties, which in turn govern the superconducting performance of (Bi, Pb)-2223 ceramics.
Co-Authors Abdul Halim Shaari Kar Ban Tan Kean Pah Lim Mohd Mustafa Awang Kechik Muhammad Kashfi Shabdin Nor Atikah Baharuddin Nurhidayah Mohd Hapipi Nurul Auni Khalid Soo Kien Chen