Influenced of Cu2+ Doped on Structural, Morphological and Optical Properties of Zn-Mg-Fe2O4 Ferrite Prepared by Sol-Gel Method

纳米粒子(英文) Pub Date : 2020-03-13 DOI:10.4236/anp.2020.92004

Badawi M. Ali, Yousef A. Alsabah, M. Siddig, A. Elbadawi, A. I. Ahmed, A. A. Mirghni

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引用次数: 3

Abstract

The Zn0.5CuxMg0.5-xFe2O4 (where x = 0.0, 0.1, 0.2, 0.3 and 0.4) was prepared by sol-gel route and characterized in detail in terms of their structural, morphological, elemental and optical properties as a function of Cu concentration. X-ray diffractometer (XRD) results confirmed the formation of cubic spinel-type structure with average crystallized size in the range of 30.56 to 40.58 nm. Lattice parameter was found to decrease with Cu concentration due to the smaller ionic radius of Cu2+ ion. The HR-SEM images show morphology of the samples as prismatic shaped particles in agglomeration. The elemental dispersive X-ray Spectroscopy (EDX) confirmed the elemental composition of the as-prepared spinel ferrite material with respect to the initial concentration of the synthetic composition used for the material. The Fourier transform infrared (FTIR) spectroscopy confirmed the formation of spinel ferrite and showed the characteristics absorption bands around 463, 618, 876, 1116, 1442, 1622 and 2911 cm-1. The energy band gap was calculated for the samples were found to be in the range of 4.87 to 5.30 eV.

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Cu2+掺杂对溶胶-凝胶法制备Zn-Mg-Fe2O4铁氧体结构、形貌和光学性能的影响

采用溶胶-凝胶法制备了Zn0.5CuxMg0.5-xFe2O4(其中x = 0.0, 0.1, 0.2, 0.3和0.4)，并对其结构、形态、元素和光学性质与Cu浓度的关系进行了详细表征。x射线衍射(XRD)结果证实了结晶形成立方尖晶石型结构，平均晶粒尺寸在30.56 ~ 40.58 nm之间。由于Cu2+离子的离子半径较小，晶格参数随Cu浓度的增加而减小。hrsem图像显示样品的形貌为棱柱状颗粒团聚。元素色散x射线光谱(EDX)证实了制备尖晶石铁氧体材料的元素组成与用于该材料的合成组合物的初始浓度有关。傅里叶变换红外光谱(FTIR)证实了尖晶石铁氧体的形成，并在463、618、876、1116、1442、1622和2911 cm-1附近显示了特征吸收带。计算所得样品的能带隙在4.87 ~ 5.30 eV之间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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