Abstract
Acetate-citrate precursors were applied to synthesize amorphous gelatinous calcium barium selenate with molecular formula (Ca0.5Ba0.5Se2O5). The gel-product was sintering at 800A degrees C for 2 hrs then well characterized by X-ray diffraction, SEM and EDX elemental analyses and proved that the product Ca0.5Ba0.5Se2O5 is mainly belong to AB2X5-type structure with average grain size ranged in between 1.2-3.8 mu m. A visualized study was constructed depending upon SEM and 3D-AFM experimental data to confirm the the microstructure morphological features of calcium-barium selenate surface.