1- Effect of Fluorine Substitution on Magnetoresistance Pinning Energy and Irreversibility of (Cu, Tl)-1223 Phase.

A Khalaf, A Kamar, R Awad, M Matar, Journal of Low Temperature Physics,210,166-181,2023

2- Effects of Thallium fluoride substitution on the flux pinning energies of (Cu_0.5, Tl_0.5)Ba₂Ca₂Cu₃O_10-δ superconductors.

MS Hassan, A Khalaf, A Kamar, R Awad, M Matar,Applied Physics A,128,1078,2022

3-The Impact of La Substitution on the Structural, Molecular, Morphological, and Thermal Properties of Mn_0.6Zn_0.4Fe₂O₄

M. Mostafa, A. Khalaf, E. M. El‑Maghraby, R. A. Dagher, O. M. Hemeda,Journal of Superconductivity and Novel Magnetism 36,1277–129,2023