Structural, optical, photocatalytic, and radiation shielding properties of Mg0.8Zn0.2CrxFe2-xO4 nanoferrites

IF 2.8 4区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Materials Science: Materials in Electronics Pub Date : 2025-09-29 DOI:10.1007/s10854-025-15722-x

Hala Siddiq, Fatimah M. Alsaiari, Abeer A. Alghamdi, Awatif Alshamari, Mohammad A. Z. Qutub, M. S. Sadeq, E. Abdel‑Fattah, M. A. Abdo

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Abstract

The increasing contamination of water bodies by industrial dyes necessitates the development of efficient and sustainable remediation technologies. This study investigates the structural, optical, photocatalytic, and radiation shielding properties of Mg_0.8Zn_0.2Cr_xFe_2-xO₄ nanoferrites (x = 0.00–0.025), synthesized via the citrate combustion technique. The bandgap energy of the synthesized nanoferrites was tuned through Cr³⁺ substitution, significantly enhancing their photocatalytic performance in methylene blue dye degradation under visible light irradiation. The optimized composition, Mg_0.8Zn_0.2Cr_0.025Fe_1.975O₄, exhibited a remarkable degradation efficiency of 97.15% over 60 min, attributed to enhanced charge separation and reduced recombination losses. Additionally, radiation shielding parameters such as the mass attenuation coefficient, half value layer, and effective atomic number (Z_eff) were evaluated across a photon energy range of 0.015–15 MeV. The results demonstrate that Cr-substituted Mg–Zn nanoferrites possess superior shielding efficiency compared to conventional materials, making them promising candidates for multifunctional water purification and radiation protection applications. The recyclability and stability of the synthesized photocatalyst further highlight its potential for practical implementation in environmental remediation.

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Mg0.8Zn0.2CrxFe2-xO4纳米铁素体的结构、光学、光催化和辐射屏蔽性能

工业染料对水体的污染日益严重，迫切需要开发高效、可持续的修复技术。本研究考察了采用柠檬酸盐燃烧技术合成的Mg0.8Zn0.2CrxFe2-xO4纳米铁氧体（x = 0.00-0.025）的结构、光学、光催化和辐射屏蔽性能。通过Cr3 +取代对合成的纳米铁氧体的带隙能进行了调谐，在可见光照射下显著提高了其降解亚甲基蓝染料的光催化性能。优化后的组合物Mg0.8Zn0.2Cr0.025Fe1.975O4在60 min内的降解效率为97.15%，这主要归功于增强了电荷分离和减少了复合损失。此外，在0.015-15 MeV的光子能量范围内，对辐射屏蔽参数如质量衰减系数、半值层和有效原子序数（Zeff）进行了评估。结果表明，与传统材料相比，cr取代Mg-Zn纳米铁氧体具有更好的屏蔽效率，使其成为多功能水净化和辐射防护应用的有希望的候选材料。合成光催化剂的可回收性和稳定性进一步凸显了其在环境修复中的实际应用潜力。

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来源期刊

Journal of Materials Science: Materials in Electronics 工程技术-材料科学：综合

CiteScore

5.00

自引率

7.10%

发文量

1931

审稿时长

2 months

期刊介绍： The Journal of Materials Science: Materials in Electronics is an established refereed companion to the Journal of Materials Science. It publishes papers on materials and their applications in modern electronics, covering the ground between fundamental science, such as semiconductor physics, and work concerned specifically with applications. It explores the growth and preparation of new materials, as well as their processing, fabrication, bonding and encapsulation, together with the reliability, failure analysis, quality assurance and characterization related to the whole range of applications in electronics. The Journal presents papers in newly developing fields such as low dimensional structures and devices, optoelectronics including III-V compounds, glasses and linear/non-linear crystal materials and lasers, high Tc superconductors, conducting polymers, thick film materials and new contact technologies, as well as the established electronics device and circuit materials.