Volume 25, Number 2 (7-2017)                   www.ijcm.ir 2017, 25(2): 461-472 | Back to browse issues page


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A study of structural, electrical and magnetic properties of zinc ferrite nanoparticles doped with chromium . www.ijcm.ir. 2017; 25 (2) :461-472
URL: http://ijcm.ir/article-1-804-en.html

Abstract:   (362 Views)

In this paper, the chromium doped spinel zinc ferrite nanoparticles were synthesized by using of glycine as a fuel with microwave combustion method. After preparing the samples AWT IMAGE with x = 0.0, 0.5, 1.0, 1.5, 2.0, the electromagnetic and electrical properties such as dielectric constant, ac conductivity, dielectric loss factor (AWT IMAGEand Curie temperature were investigated. According to the results, increasing of the amount of chromium in samples causes to increase the real and imaginary part of dielectric constant. Although the chromium ions do not participate in transporting electrons between Fe+2 and Fe+3, they cause reduction in transporting electrons. For a typical sample, the imaginary and real parts of dielectric constant and dielectric losses decrease and ac conductivity increases with increasing frequency, which is natural feature of ferrites. These results are described by Maxwell-Wagner model and Koops's theory. Also, the results show that the Curie temperature of samples increased a chromium added.

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Type of Study: Research | Subject: Special
Received: 2017/06/13 | Accepted: 2017/06/13 | Published: 2017/06/13

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