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Microwave synthesis and magnetic properties of polycrystalline Mn-Zn ferrites powder

HAOWEN REN1, YUANDONG PENG1,*

Affiliation

  1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, P.R. China

Abstract

Microwave synthesis of (Mn0.5 Zn0.5 )Fe2O4 ferrite powder prepared at temperature from 890 to 1010 with the same 30min soaking time is reported. The relationship between soaking temperature and magnetic properties has been studied. Microwave synthesis utilizes ferrite’s inherent absorption characte ristic which result in rapid heating rate. XRD analysis indicates that the synthesized powder is dominated by Mn-Zn ferrite Heating temperature curve of microwave synthesis method reveals that the synthesis reaction s start at 520 in accordance with the DTA/TG data VSM figures show that we got max imum saturat ed magnetization and residual magnetization at 1010 Coercive field have its minimum value at 980 deducing this phenomenon results from grain size..

Keywords

Mn-Zn ferrite, Microwave synthesis, Microstructure, Magnetic properties.

Citation

HAOWEN REN, YUANDONG PENG, Microwave synthesis and magnetic properties of polycrystalline Mn-Zn ferrites powder, Optoelectronics and Advanced Materials - Rapid Communications, 8, 5-6, May-June 2014, pp.446-450 (2014).

Submitted at: Sept. 23, 2013

Accepted at: May 15, 2014