Volume 14, Issue 4 (Iranian Journal of Physics Research,Winter 2015)                   IJPR 2015, 14(4): 341-349 | Back to browse issues page

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Kameli P, Mosleh Z, Ranjbar M, Salamati H. Preparation and investigation of structural, magnetic and microwave absorption properties of cerium doped barium hexaferrite . IJPR. 2015; 14 (4) :341-349
URL: http://ijpr.iut.ac.ir/article-1-1721-en.html
Department of Physics, Isfahan University of Technology, Isfahan 84156-83111, Iran , kameli@cc.iut.ac.ir
Abstract:   (6114 Views)
In this study the structure, magnetic and microwave absorption properties of cerium (Ce) doped barium hexaferrite with general formulae BaCexFe12-xO19 (x=0.0, 0.05, 0.1, 0.15, 0.2) have been investigated. These samples have been prepared by sol- gel method. Influence of replacing Fe+3 ion by rare- earth Ce+3 ion on the structural, magnetic and microwave absorption properties have been investigated by X- ray diffraction (XRD), Fourier transform infrared (FT-IR), Vibrating sample magnetometer (VSM) and vector network analyzer (VNA). X-ray diffraction analysis indicated that the samples are of single phase with space group p63/mmc. The magnetic properties of samples indicated that with the Ce doping the saturation magnetization show no regular behavior. Moreover, coercivity (Hc) first decreased and reached to the minimum value for x=0.1 sample and then increased with Ce content increasing. Also, measurement of electromagnetic wave absorption in X and Ku frequency bands indicated that the maximum of reflection loss obtained for x=0.15 sample. Moreover, result indicated that absorption peak shifted toward a lower frequency when thickness was increased.
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Type of Study: Research | Subject: General

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