期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 398, 期 -, 页码 20-25出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2015.08.097
关键词
Magnetic properties; Mixed ferrites; Sol/gel method
Synthesization of zinc substituted cobalt ferrites nano particles Co1-xZnxFe2O4 (x=0.0-0.3) has been achieved by the sal/gel method. The characterization of the synthesized nano-particles has been done by X-ray diffractometry (XRD), transmission electron microscopy (TEM) and Fourier transform infrared spectroscopy (FlTR). The relation between the composition and magnetic properties has been investigated by Magnetic Properties Measurement System (MEWS). The results revealed that the nano particles size is in the range of 11-28 nm, It was found that the zinc substitution in cobalt ferrite increases saturation magnetization from 60.92 emu/g (x=0) to 74.67 emu/g (x=0.3). Nevertheless, zinc concentrations cause a significant decrease in coercivity. (C) 2015 Elsevier B.V. All rights reserved.
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