Effect of Zn substitution on the structural and magnetic properties of densely packed Co12xZnxFe2O4 Nanowires

• Published in: Iranian journal of science and technology. Transaction A, Science Vol. 42; no. 3; pp. 1247 - 1251
• Main Authors: Ebrahimi, S A Seyyed, Pirouzfar, A, Masoudpanah, S M
• Format: Journal Article
• Language: English
• Published: Shiraz Springer Nature B.V 01-07-2018
• Subjects: Aluminum; Aluminum oxide; Anisotropy; Cations; Cobalt; Cobalt ferrites; Coercivity; Electron microscopy; Magnetic measurement; Magnetic properties; Magnetic saturation; Magnetism; Materials substitution; Morphology; Nanoparticles; Nanotechnology; Nanowires; Nitrates; Sol-gel processes; X-ray diffraction; Zinc
• ISSN: 1028-6276; 2364-1819
• DOI: 10.1007/s40995-016-0126-4

In this study, Zn substituted cobalt ferrite (Co1_xZnxFe2O4, x = 0, 0.125, 0.25, 0.375, 0.5) nanowires were synthesized by an optimized sol-gel route using anodized aluminum oxide (AAO) template. The structure and distribution of cations in octahedral and tetrahedral sites of spinel structure were determined by X-ray diffraction technique. Furthermore, the morphology and magnetic properties of Co1-xZnxFe2O4 nanowires were investigated by electron microscopy and vibrating sample magnetometry. The coercivity of Co1-xZnxFe2O4 nanowires decreased from 1150 to 170 Oe with Zn2+ substitution while the saturation magnetization initially increased from 69.6 to 80.9 emu/g up to x = 0.125 and then decreased to 47 emu/g for x = 0.5.