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Effect of Ti-Zn substitution on structural, magnetic and microwave absorption characteristics of strontium hexaferrite
, Article Journal of Alloys and Compounds ; Vol. 583, issue , 2014 , p. 325-328 ; Ghasemi, A ; Nemati, A ; Azami Ghadikolaei, M ; Paimozd, E ; Sharif University of Technology
Abstract
SrFe12-xTix/2Zn x/2O19 (x = 0-2.5) powders were synthesized by use of chlorides through co-precipitation method. The obtained powders were then milled by high energy ball mill to crash hard agglomerates and achieve nanoparticles. In order to evaluate microwave absorption versus frequency, composites including ferrite, as a filler, and matrix of polyvinylchloride (PVC) with weight ratio of 70% ferrite were prepared. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM), vibrating sample magnetometer (VSM) and vector network analyzer (VNA) were employed to study the structural, magnetic and microwave absorption properties...