Electromagnetic Properties of Selected Hexaferrites
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| Title | Electromagnetic Properties of Selected Hexaferrites |
| Authors | |
| Abstract | Ba(Sr)(Me12+Me24+)xFe12-xO19 hexagonal ferrites preparation with substitution ratio of 0.0 x 0.6. The iron ionswere substituted by selected cation combinations (divalent Me12+= Ni, Zn, Sn, Co and tetravalent Me24+= Ti, Zr, Ru ions).The samples were synthesised by high energy milling and metallorganic precursor method. A special attention was focused toresults obtained for (ZnTi)x substitutions.. The changes of coercivity HC were chosen as a evaluation criterion of anisotropyvariation. Simultaneously with the magnetic properties, the dielectric parameters were also tested. Two dielectric relaxationprocesses were detected in Ba - Sr ferrite. Our results showed probably a ferroelectric behaviour of some ferrite samples. |
| Publisher | Faculty of Electrical Engineering and Computer Science |
| Date | 2011-06-17 |
| Source | Advances in Electrical and Electronic Engineering Vol 7, No 1 - 2 (2008): March - June |
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