Volume 31, Issue 3 (10-2023)
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saiedi M, ghazi M E, izadifard M. Synthesis and study of structural, optical and magnetic properties of ZnO/Fe2O3 nanocomposites. www.ijcm.ir 2023; 31 (3) :591-602
URL: http://ijcm.ir/article-1-1796-en.html
URL: http://ijcm.ir/article-1-1796-en.html
1- Physics Department, Shahrood University of Technology, Shahrood, Iran
Abstract: (678 Views)
In this study, ZnO, α-Fe2O3 and ZnO/Fe2O3 nanocomposites powders with weight ratios of (1:0/.5), (1: 1) and (1: 2) were prepared using hydrothermal method and their structural, optical and magnetic properties were investigated. The results obtained from analysis of the XRD patterns confirmed formation of the hexagonal structures for ZnO and Fe2O3. The absorption spectra of the synthesized samples showed that the absorption in the visible region increases for ZnO/Fe2O3 nanocomposite and its band gap value reduces (increases) in comparison to the zinc oxide (iron oxide). FESEM images showed that Fe2O3 spherical nanoparticles are located on the surface of the ZnO nano-sheets .The results obtained from magnetic studies by VSM revealed that ZnO has a diamagnetic property and α-Fe2O3 shows soft ferromagnetic behavior and for the nanocomposites, the magnetization values increase with increasing the Fe2O3 concentration. In general, the results show that the particle size, optical property and magnetic property of the ZnO/Fe2O3 nanocomposites strongly depends on the concentration of Fe2O3.
Keywords: Hydrothermal method, ZnO/Fe2O3 nanocomposites, optical property, magnetic property, structural property
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