Abdul Kareem Dahas Ali, Sabah Jalal Fathi and Noor Abdul Wahed Ahmed 2023. Study the Effect of the Laser on the Structural and Electrical Properties of the Compound Tl2-xHgxBa2-ySryCa2Cu3O10 + δ Superior Electrical Conductivity at High Temperatures. Tikrit Journal of Pure Science. 21, 5 (Feb. 2023), 161–168. DOI:https://doi.org/10.25130/tjps.v21i5.1043.