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Facile Synthesis and Characterization of Nanospinel Ferrites: Structural, Magnetic, and Optical Studies
Russian Journal of Inorganic Chemistry ( IF 2.1 ) Pub Date : 2020-08-03 , DOI: 10.1134/s0036023620070104 Rahil Abbasi Hormozi , Haman Tavakkoli , Akbar Raissi Shabari , Mohsen Nikpour
中文翻译:
纳米尖晶石铁氧体的简便合成与表征:结构,磁性和光学研究
更新日期:2020-08-03
Russian Journal of Inorganic Chemistry ( IF 2.1 ) Pub Date : 2020-08-03 , DOI: 10.1134/s0036023620070104 Rahil Abbasi Hormozi , Haman Tavakkoli , Akbar Raissi Shabari , Mohsen Nikpour
Abstract—
Nanoparticles of spinel ferrites with composition MFe2O4 (M = Zn, Ni) have been effectively synthesized by hydrothermal and sol-gel routes, in which Triton-X 100 is used as a surfactant. The structure of ferrite nanoparticles has been characterized by X-ray diffraction, which has showed single cubic spinel phases for all the samples. The surface morphology and elemental composition have been examined by field emission-scanning electron microscopy (FE-SEM) and energy dispersive X-ray (EDX) spectroscopy. A combined morphology in shape of sphere, octagon, and agglomerated flakes were found on FESEM images for the nanoparticles synthesized by both methods. FTIR showed underlying absorption bands pertinent to the stretching vibration of metal at the octahedral and tetrahedral sites. Vibrating sample magnetometer (VSM) results showed saturation magnetization (Ms) and remanence (Mr) for spinels prepared by hydrothermal route to be more than those produced by sol-gel methods. The optical band gap values were estimated by diffuse UV-visible reflectance spectroscopy (DRS).中文翻译:
纳米尖晶石铁氧体的简便合成与表征:结构,磁性和光学研究