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2017 | 131 | 5 | 1236-1239
Article title

Preparation and Magnetic Characteristics of Co_{1-δ}Zn_{δ}Fe₂O₄ Ferrite Nanopowders

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EN
Abstracts
EN
In the present paper the Co_{1-δ}Zn_{δ}Fe₂O₄ (0 ≤ δ ≤ 1) ferrite nanopowders with a spinel type structure were synthesized using a chemical co-precipitation technique with constant flow rate ν _{FR}=120 cm³/min at three different reaction temperatures i.e. T_r =50°C, 70°C and 90°C. Magnetic and structural characteristics of the obtained materials were investigated by means of X-ray diffraction method, transmission electron microscopy and vibrating sample magnetometer. In the course of studies hysteresis loops M(μ₀H) and the relations of magnetization M_{7T} (determined at μ_0H=7 T), squareness ratio S and the Néel temperature T_{N} versus Zn content were determined and discussed in detail. It was shown that for δ<0.6 the increase in reaction temperature T_r results in a significant increase of the measured magnetic characteristics. In particular, in the case of Co_{0.8}Zn_{0.2}Fe₂O₄ ferrite nanopowder magnetization M_{7T} reaches maximal value of about 80 emu/g.
Keywords
Contributors
author
  • Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
author
  • Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
author
  • Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
author
  • Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
author
  • Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv131n510kz
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