Effect of sintering time on Bi1.6Pb0.4Sr1.8Ba0.2Ca2Cu3O10+? compound quenched in air and liquid nitrogen. Baghdad Sci.J [Internet]. 2025 Mar. 4 [cited 2025 Jul. 20];11(2):713-7. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2684