Microstructure and superconducting properties of Ag-substituted YBa2-xAgxCu3O7- δ ceramics prepared by sol-gel method. Mal. J. Fund. Appl. Sci. [Internet]. 2017 Jun. 19 [cited 2026 Sep. 14];13(2). Available from: https://mjfas.utm.my/index.php/mjfas/article/view/655