Elharari, Najah Ibrahem, Sanaa Masod Abdulqader, and Amna Abo Magrem. “Effect of Si Substitution on the Structure and Superconductivity of YBa2 (Cu1- X Six)3 O7-δ Superconductor (0≤ X ≤ 0.03 )”. Al-Qurtas Journal for Human and Applied Sciences 14 (October 14, 2021). Accessed November 1, 2026. https://www.alqurtas.alandalus-libya.org.ly/ojs/index.php/qjhar/article/view/384.