Volume 32, Number 1 (Jun 2013)                   jame 2013, 32(1): 1-7 | Back to browse issues page

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A. Kianvash, S. Dadsetan. Investigation of EM Waves Absorbtion Behavior at X Band in Mn-Zr Doped Ba-Ferrite. jame. 2013; 32 (1) :1-7
URL: http://jame.iut.ac.ir/article-1-547-en.html

Department of Material Science and Engineering, Faculty of Mechanical Engineering, University of Tabriz, Tabriz, Iran.
Abstract:   (1130 Views)
In this research, M-type Mn-Zr doped Ba-ferrites powders with a general chemical composition of BaFe10.6(ZrxMn1-x)O19 ( x= 0, 0.2, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1) were synthesized and prepared by a solid state method, and were then mixed with anAraldite + hardner and processed into polymer matrix composite specimens. Phase analyses of synthesized samples wereperformed by an XRD technique and magnetic properties of the composite specimens were measured using a hysteresis graphsystem. EM absorbtion characteristics of the composite samples in the (8-12 GHz) frequency ranges were determined using aVNA system.Among the compositions investigated in the present work, the highest absorbtion of -11.25 dB accured in BaFe10.6Zr0.28Mn1.12O19 (x= 0.2) at a frequency of 8.4 GHz. Based on EM absorbtion behaviors and magnetic properties, BaFe10.6Zr0.28Mn1.12O19 is classified as a potential EM absorber material.
Full-Text [PDF 685 kb]   (505 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/02/9 | Accepted: 2015/05/6 | Published: 2015/05/6

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