Integrated structural, optical and dielectric analysis of low-loss α-Al₂O₃ nanoparticles for UV photonic and dielectric applications

Abstract High-purity α-Al2O3 nanoparticles were synthesised using a modified Pechini sol–gel method and calcinated at 1100 °C. Their structural, optical, and dielectric properties were thoroughly examined. Structure research utilizing X-ray diffraction and advanced Rietveld refinement showed that ad...

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Principais autores:	Sara A. Mohamed, Abdalrahman M. Rayan, A M Abdel Hakeem, S. H. Mohamed, A. M. Abd El-Rahman, Khater A. E. Gad, Mahrous R. Ahmed, Naglaa AbdelAll
Formato:	Artigo
Idioma:	Inglês
Publicado em:	Nature Portfolio 2026-05-01
coleção:	Scientific Reports
Assuntos:	α-Al2O3 nanoparticles Optical band gap Dielectric loss Complex dielectric function Extinction coefficient Low-loss dielectrics
Acesso em linha:	https://doi.org/10.1038/s41598-026-50503-4
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