The Effect of Doping by Sr on the Structural, Mechanical and Electrical Characterization of La1Ba1-xSrx Ca2Cu4O8.5+Î´. IHJPAS [Internet]. 2017 Apr. 19 [cited 2024 May 2];27(1):170-5. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/375