A Master thesis titled)  Synthesis and Characterization of Reduced Graphene Oxide/TiO₂ Nano Composite and Its Application as Gas Sensor (was defended at College of Science, Department of physics on (Feb. 10,2022), for the postgraduate Candidate  Ahmed Abdulredda Jabbar. The aim of the thesis is for the hydrothermal technique was achieved to produce RGO/TiO₂  nanocomposite, in view of the synergistic effect of  TiO₂ nanoparticles and reduced graphene oxide for gas sensing