Morphological and Optical Analysis of α − Al2O3 : Zn Nanoparticles
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Abstract
This study investigates the morphology and optical properties of prepared α-Al2O3:Zn nanoparticles by sol-gel method at room temperature. TEM image revealed hexagonal structure and the average particle size in the range (9.52-15.94 nm), and showed the particles distribution and area by histograms distribution. The Selected Area Electron Diffraction (SAED) illustrated the polycrystalline structure. XRD analysis confirmed hexagonal structure with a high crystalline and polycrystalline structure of α-Al2O3:Zn nanoparticles, the average crystallite size in the range (30.529- 24.057 nm). The optical study found that the energy gab of prepared α-Al2O3:Zn (0%, 2%, 4%, 8%) were (5.145, 4.86, 4.88, 4.95 eV), respectively. Furthermore, other optical parameters such as refractive index, extinction coefficient, and dielectric constant are studied.
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