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Superconducting materials exhibit unique physical properties and hold greatscientific value and vast industrial application prospects. However, due tolimitations such as critical temperature (TC) and critical current density(JC), the large-scale application of superconducting materials remainschallenging. Chemical doping has been a commonly used method to enhance thesuperconductivity of B(P)SCCO. However, satisfactory enhancement results havebeen difficult to achieve. In this study, we introduced green light GaN p-njunction particles as inhomogeneous phases into B(P)SCCO polycrystallineparticles to form a smart meta-superconductors (SMSCs) structure. Based on theelectroluminescence properties of the p-n junction, the Cooper pairs werestimulated and strengthened to enhance the superconductivity of B(P)SCCO.Experimental results demonstrate that the introduction of inhomogeneous phasescan indeed enhance the critical temperature TC, critical current density JC,and complete diamagnetism (Meissner effect) of B(P)SCCO superconductors.Moreover, When the particle size of raw material of B(P)SCCO is reduced from30{\mu}m to 5{\mu}m, the grain size of the sintered samples also decreases, andthe optimal doping concentration of the inhomogeneous phases increases from0.15 wt.% to 0.2 wt.%, further improving the enhancement of superconductivity.

Green light GaN p-n junction luminescent particles enhance the superconducting properties of B(P)SCCO Smart Meta-Superconductors (SMSCs)