Volume 21, Issue 3 (10-2013)                   www.ijcm.ir 2013, 21(3): 511-518 | Back to browse issues page

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Synthesis and investigation on structural and magnetic properties of Cu doped Ni Zn ferrite nanopowders prepared via sol-gel method. www.ijcm.ir. 2013; 21 (3) :511-518
URL: http://ijcm.ir/article-1-290-en.html
Abstract:   (733 Views)

In this study, a series of copper substituted in nickel–zinc ferrite nanoparticles with composition of Ni0.3Zn0.7-xCuxFe2O4 (where x = 0.1 - 0.6 by step 0.1) were synthesized by sol-gel method. The effect of Cu substitution on phase formation and crystal structure of sample were investigated by X-Ray diffraction (XRD), Thermogravimetry (TG), Differential thermal analysis (DTA), Fourier transform infrared spectroscopy (FT-IR), Scanning electron microscopy (SEM) and Transmission electron microscopy (TEM). Moreover the room saturation magnetization of samples was studied by Vibration sample magnetometer (VSM). Hysteresis loops measurements exhibited an increase in the saturation magnetization value (Ms) up to sample with x = 0.3 followed by a linearly decrease. The increases in the coercivety (Hc) with increase in copper content is attributed to the bigger magneto crystalline anisotropy of  Cu2+ ions compared with Zn2+ ions.

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Type of Study: Research | Subject: Special
Received: 2017/04/24 | Accepted: 2017/04/24 | Published: 2017/04/24

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