i am Amani ZAOUALI a Ph.D student at the faculty of science of Sfax enrolled in the 2nd year of physics research of nanomaterials and advanced materials.I am allowed promotions majors at the level of my master degree.I am preparing my master's thesis entitled "Study of the structural and electrical properties of manganese oxides doped barium.I always tried my best to develop my skills and my future goal. Synthesis of dielectric materials - structural and morphologic control ,Dynamic and serious ,a good over ,all knowledge of the physical world of materials Different Characterization: optical, structural, morphological and modelization Characterization and Analysis Techniques Scanning Electron Microscopy, X-Ray Powder Diffraction,Single-Crystal X-Ray Diffraction,Differential Scanning Calorimetry (DSC) ,Thermogravimetric Analyses (TGA) , FT-IR and Raman Spectroscopy , Optical Absorption UV–Visible Spectroscopy Photoluminescence (PL) Techniques, Complexe Impedance Spectroscopy. Good level in presentation work at Conferences and communications Both in French and EnglishHelpful, Very sociable, Motivated attitude for organising scientific events and able to work in a professional team. Good ability to explain Physical & Chemical Sciences, Mathematics and Technology and a taste for detail with a lot of enthusiasm and conviction. Good speech and sense of communication(English