Influence of bismuth substitution on structural and optical properties of CuFe2-xBixO4 spinel structure | ||
| Progress in Physics of Applied Materials | ||
| دوره 4، شماره 2 - شماره پیاپی 7، مهر 2024، صفحه 189-195 اصل مقاله (1.05 M) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22075/ppam.2024.35097.1113 | ||
| نویسندگان | ||
| Hamid Hamrah؛ Ahmad Gholizadeh* | ||
| School of Physics, Damghan University, Damghan, Iran | ||
| چکیده | ||
| CuFe2-xBixO4 (x=0.0-2.0) spinel structures were synthesized using a sol-gel auto-combustion method. The effects of Bi3+ substitution on structural and optical properties were investigated using X-ray diffraction, Fourier-transformed infrared spectroscopy, and UV-vis spectroscopy. A phase transition was observed in CuFe2-xBixO4 with increasing Bi content, leading to enhanced lattice parameters a and c due to Bi3+ larger ionic radius. Crystallite size decreased as Bi substitution increased, attributed to the reduced mobility and higher mass of Bi3+ ions. The tunability of structural and optical properties was achieved through controlled Bi substitution, with optical band gap energy increasing due to local distortions from Bi3+ ions in the CuFe2O4 lattice. CuFe2-xBixO4spinel structures show promise for applications in photocatalysis, gas sensors, pigments, and magnetic materials. We will clearly outline the existing knowledge in the field of Bi3+-substituted copper ferrite nanoparticles, focusing on the need for a comprehensive understanding of the structural and optical property changes resulting from Bi3+ substitution. | ||
| کلیدواژهها | ||
| Copper spinel ferrite؛ Bismuth substitution, Structural properties, Phase transition, Bandgap energy | ||
| مراجع | ||
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