Items where Author is "Umar, S.A."

Alazoumi, S.H. and Umar, S.A. and Ahmad, A.F. and Sidek, H.A.A. and A. Awshah, Abdulbaset and Thakur, S. and Geidam, I.G. (2024) Structural, elastic, thermo-physical and gamma radiation shielding efficiency of MnO2 doped TeO2-PbO-ZnO glasses. Optical Materials, 150. art. no. 115277. pp. 1-11. ISSN 0925-3467

Umar, S.A. and Mohamed Kamari, Halimah and Chan, Kar Tim and Abd Latif, Amirah (2017) Physical, structural and optical properties of erbium doped rice husk silicate borotellurite (Er-doped RHSBT) glasses. Journal of Non-Crystalline Solids, 472. 31 - 38. ISSN 0022-3093; ESSN: 1873-4812

Umar, S.A. and Mohamed Kamari, Halimah and Chan, Kar Tim and Abd Latif, Amirah (2017) Polarizability, optical basicity and electric susceptibility of Er3+ doped silicate borotellurite glasses. Journal of Non-Crystalline Solids, 471. 101 - 109. ISSN 0022-3093; ESSN: 1873-4812