Effect of complex magnetic oxides nanoparticle on (Bi1.6Pb0.4)Sr2Ca2Cu3O10 superconductor prepared by co-precipitation method

Zhetpisbaev, Kairatbek; Kumekov, S. E.; Suib, Nurul Raihan Mohd; Abd‐Shukor, R.

doi:10.1063/1.4982181

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“…Many compounds such as PbS [6,7], CdTe [8], Co 3 O 4 , Mn 3 O 4 , Cr 2 O 3 [9], Co 0.5 Zn 0.5 Fe 2 O 4 [10], Dy 2 O 3 [11], Cr 2 S 3 [12], WO 3 [13], BaTiO 3 [14], TiO 2 [15] and SnO 2 [16] have been added or substituted into YBa 2 Cu 3 O 7-δ . The different magnetic properties showed varied and interesting effects on YBa 2 Cu 3 O 7-δ .…”

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confidence: 99%

Influence of copper(II) sulfide addition on AC susceptibility and electrical properties of YBa2Cu3O7 superconductor

2021

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The effects of copper(II) sulfide (CuS) additions on the structure, electrical properties and AC susceptibility of YBa 2 Cu 3 O 7 (CuS) x superconductors for x = 0 to 5.0 wt. % were investigated. The solid state reaction method was used to prepare the samples. The non-added sample showed the highest onset temperature T c-onset (93 K) and zero-resistance temperature T c-zero (90 K). Addition of CuS lowered both T c-onset and T c-zero, and broadened the transition width. A double transition was observed in x ≥ 2.0 wt. % samples. This showed that CuS weakened the coupling between grains and suppressed the superconducting percolation leading to a double transition. The room temperature resistivity increased from 1.51 mΩ cm for x = 0 to 17.7 mΩ cm for x = 5.0 wt. %. The peak of the imaginary part of the susceptibility (χ"), T p shifted to lower temperatures with addition of CuS. The x = 1.0 wt. % sample showed the highest critical current density, J c (T p = 69.5 K) of 24.1 A cm −2 .

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