Spark Plasma Sintering of a Ceramic Material with a LaLuO3 Perovskite-Type StructureModeling of Photovoltaic Characteristics of a TiO2/Porous-Si/Si-Based Heterojunction Solar CellSynthesis of 2D-Material(G,GO,rGO,h-BN)-Magnetic(Fe,Fe3O4)NanocompositesStructure and Characteristics of Opal - Bi12GeO20 and Opal - NaBi(MoO4)2 Nanocrystalline CompositesMeta-Analysis of the Effect of Inorganic Micro/Nanomaterial Additives on Polyaniline Based NH3 Gas Sensor PerformanceEffects of Lithium Salt on Optical and Structural Properties of ZnO Thin FilmsUsing Silica Shell to Improve the Surface of Magnetite Prepared by Biosynthesis MethodGreen Synthesis, Hybridization of SiO2 by Alkaline -Acid Leaching Method and their Optical and Structural Properties Using Rice Husk and Anogeissus leiocarpus ExtractEfficient Catalytic Synthesis of Glycerol Carbonate Using Optimized Na and K Titanate Nanotubes Catalysts