Materials Engineering / Small Angle X Ray Scattering / Transmission Electron Microscopy / Zinc Oxide / Silica / Non crystalline solids / Non / X ray diffraction / Phase Separation / Microstructures / Nanostructured Material / High Efficiency / Sol Gel Method / Thermo Gravimetric Analysis / Non crystalline solids / Non / X ray diffraction / Phase Separation / Microstructures / Nanostructured Material / High Efficiency / Sol Gel Method / Thermo Gravimetric Analysis