Article

Morphological and Optical Analysis of α − Al2O3 : Zn Nanoparticles

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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Eman Mohammed Ali Nassar
Department of Physics, Faculty of Science, Sana’a University, Sana’a, Yemen
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A.H. AL-Hammadi
Department of Physics, Faculty of Science, Sana’a University, Sana’a, Yemen
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Yasser Hussein Issa Mohammed
Department of Pharmacy, Faculty of Medicine and Health Science, Hajjah University, Hajjah, Yemen
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Morphological and Optical Analysis of α − Al2O3 : Zn Nanoparticles. (2025). Sana’a University Journal of Applied Sciences and Technology, 3(6), 1408-1418. https://doi.org/10.59628/jast.v3i6.1876

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