Kinetics of solid state reactions Co2+ , Cu2+ and basic carbonates with some aliphatic acids. Journal of Thermal Analysis and Calorimetry, 63 , 609. Effect of radiation on electrical properties in glasses of AgI-Ag2O-V2O5-P2O5 system. Journal of the physical society of Japan, 73(7) 4017 . Doping effect on the electrical proeprties of amorphous Al2O3. Journal of Materials Chemistry and Physics, 18 (2002) 405 M.G. El-Shaarawy and W.A.A. Bayoumy Physical Studies on Mixed crystals of CoxNi3-x (C2O4)3.XH2O Journal of Materials Science: A Indian Journal, W.A.A. Bayoumy Structural and electrical properties of zinc-substituted cobalt ferrite. Journal of Material Science, 42 (2007) 8254 W.A.A. Bayoumy Synthesis and structural characterization of TiO2 and V2O5/TiO2 nanoparticles assembled by the anionic surfactant sodium dodecyl sulfate. Microporous and Mesoporous Materials, 97(2006) 66 Mohamed Mokhtar Mohamed, W.A. Bayoumy, M. Khairy and Synthesis of micro-mesoporous TiO2 materials assembled via cationic surfactants: Morphology, thermal stability and surface acidity characteristics. Microporous and Mesoporous Materials, 103(2007) 174 Mohamed Mokhtar Mohamed, W.A. Bayoumy, M. Khairy and M.A. Mousa Effect of g-Radiation on Mechanical and Electrical Behavior of Polystyrene and CuO- Polystyrene Composite Isotope and Radiation Research , acceptance (2006) M.G. El-Shaarawy,W.A.A. Bayoumy and M.A. El-Ahdal Enviromental isotopes and Hydrochemical Study of Groundwater in El-Dabaa Area. Isotope and Radiation Research , acceptance (2006) A.I.M. Ali, M.A. Mousa, W.A. Bayoumy, A.M. Abu Ela and T.A. Daly Structural features and photocatalytic behavior of titania and titania supported vanadia synthesized by polyol functionalized materials Microporous and Mesoporous Materials, (2007) in press Mohamed Mokhtar Mohamed, W.A. Bayoumy, M. Khairy and M.A. Mousa Effect of composition on the structural and magnetic properties of nanocrystalline Ni0.8-xZn0.2MgxFe2O4 ferrite Polyhedron 29 (2010) 2569-2573 Synthesis Characterization and magnetic properties of Cr-substituted NiCuZn nanocrystalline ferrite. Journal of Alloys and Compounds 506 (2010) 205-209 W.A. Bayoumy and M.A. Gabal - Preparation, Characterizations and Conductivity of Composite Polymer Electrolytes Based on PEO-LiClO4 and Nano ZnO Filler. Bull. Korean Chem. Soc. 2012, Vol. 33, No. 9 A. A. ElBellihi, W.A.A. Bayoumy, E.M. Masoud, and M.A. Mousa Effect of LiAlO2 nanoparticles filler concentration on the electrical properties of PEO-LiClO4 composite, Mater. Res. Bull. xx(2012)xx A. A. ElBellihi, W.A.A. Bayoumy, E.M. Masoud, and M.A. Mousa KINETICS OF SOLID STATE REACTIONS Co2+,Cu2+ AND Zn2+ BASIC CARBONATES WITH SOME ALIPHATIC ACIDS.