PrefaceChapter 1: CeramicsEffect of Bi3+ and Fe3+ Ions Substitution on Electrical Response of BaTiO3 CeramicStructural Refinement, Dielectric and Electromechanical Properties of (1-x)NBT-xKBT Piezoceramics in the Morphotropic Phase Boundary RegionImpedance Spectroscopy and Study of Electrical Properties of Pb(Zr0.52Ti0.48)1-xFexO3-x (0≤x≤0.20) CeramicsEffect of Pb0.8La 0.2Ti0.95O3 Doping on the Electrical and Dielectric Properties of CCTO Compound Synthesized by Hybrid MethodChapter 2: Materials and Technologies for Environmental ProtectionOptimization of WWTP of Dairy IndustryPreparation of a Photocatalytic Activated Carbon Based on Almond Shell and Ag-ZnO: Characterization and Application to Organic Effluent TreatmentComparison between the Performance of Combined Treatment of Waste Water Physic-Chemical & Biological and the Direct Activated Sludge Applicated to Dairy ActivitySynthesis of an Activated Carbon Based on Cardoon Waste and its Comparison to a Commercial Carbon in Terms of Physicochemical Characterization and Organic Dye Adsorption PerformanceExperimental Study and Modeling of Drying Kinetics and Evaluation of Thermal Diffusivity of Sewage SludgeWheat Straw-Derived Activated Carbon for Efficient Removal of Methylene blue: Kinetics, Thermodynamics, and Adsorption MechanismChapter 3: Functional and Special MaterialsTransport Properties Study of ZnSb Compound Using BoltzTrap First-PrinciplesStrong Acousto-Plasmonic Coupling in Film-Coupled Nanoparticles Mediated by Surface Acoustic WavesTheoretical Investigation of Optoelectronics Properties of Titanium Dichalcogenides Materials TiX2 (X=S, Se, Te) Using Quantum EspressoChapter 4: Low Dimensional Quantum StructuresDiamagnetic Susceptibility of a Hemi-Cylindrical Quantum Dot in the Presence of an Off-Center Donor AtomTheoretical Study of Hydrostatic Pressure and Temperature Effect on a Multi-Quantum well ZnO/Zn1-XMgxO Containing a Staircase Defect for Sensing ApplicationUnbound Excitonic Properties in a Multilayered Quantum Dot under Hydrostatic Pressure and TemperatureTuning the Diamagnetic Susceptibility and Electron Average Position in a GaAs Hemi-Spherical Quantum Dot with an Off-Center Donor AtomBinding Energy Stark-Shift, Polarizability and Dipole Moment Response of Shallow Donor Impurity in GaAs Quantum DotsThe Effect of a Single Off-Center Shallow Donor Atom on the Binding Energy and Diamagnetic Susceptibility in a GaAs Horn Torus Quantum DotDonor Atom Properties in 2D Ultra-Thin Cylindrical Quantum DotsElectronic Localized States Behaviour in a GaAs/GaAlAs Multi-Quantum Wells with a Geo-Material and a Material DefectsChapter 5: Solar Energy EngineeringImprovement Efficiency of Solar Cells Using III-V Dual Junction: InGap/GaAsOutdoor Experimental Investigation of the Temperature Effect on the Performance of Different PV Modules Materials