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2018 | 133 | 3 | 669-672
Article title

Effect of Nd³⁺ Doping on Magnetic and Dielectric Properties of SrFe₁₂O₁₉ Hexaferrite Synthesized by Coprecipitation Method

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EN
Abstracts
EN
Magnetic and dielectric properties of hexagonal ferrites important for applications in microwave absorbers are strongly determined by the processing conditions. We studied dielectric and magnetic response of Sr_{1-x}Nd_{x}Fe₁₂O₁₉ (x=0, 0.03, 0.05, 0.07, 0.09) solid solutions obtained by coprecipitation method. The structure of the samples was controlled by X-ray diffraction and scanning electron microscope images revealed that the powder is a mixture of small nanograins and crystallites of 500 nm-1 μm in size. Nd³⁺ doping was found to result in an increase in the coercive field which we would like to relate to the domain wall pinning. The doping-induced changes are monotonous with x up to 0.07. The observed dispersion of permittivity was found to be correlated with the frequency behaviour of electric conductivity of the samples.
Keywords
Year
Volume
133
Issue
3
Pages
669-672
Physical description
Dates
published
2018-03
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv133n3p102kz
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