Structure and Magnetic Properties of Nanocrystalline NiFe_{2}O_{4} Prepared via Precipitation Route

• Authors: T. Žák , B. David , A. Ćosović , V. Ćosović , D. Živković , N. Talijan
• Languages of publication: EN

Abstracts

EN

Nanocrystalline Ni-ferrite was synthesized by modified precipitation method in which soluble starch is used as dispersing agent and Na_{2}CO_{3} as a precipitating agent. NiSO_{4}·6H_{2}O and Fe(NO_{3})_{3}·9H_{2}O were used as precursors for nickel and ferric oxide, respectively. The obtained nanocrystalline Ni-ferrite was analysed and discussed through structural, compositional and magnetic characterization. Formation of pure NiFe_{2}O_{4} phase with average crystallite size of 21 nm has been confirmed by X-ray diffraction analysis (XRD). The determined phase composition was additionally supported by results of ^{57}Fe Mössbauer phase (MS) analysis and material's nanocrystalline structure by field emission scanning electron microscopy (FE-SEM). Thermomagnetic behaviour was studied up to 800 °C. The obtained room temperature magnetic hysteresis loop, recorded by means of a vibrating sample magnetometer (VSM), exhibits characteristic "S" shape of the soft magnetic material with the measured coercivity of about 10 kA/m and the specific moment up to 40 Am^{2}/kg.

Keywords

EN

61.05.cp; 75.50.Tt; 81.07.Bc; 81.07.Wx

Discipline

• 81.07.Wx: Nanopowders
• 75.50.Tt: Fine-particle systems; nanocrystalline materials
• 61.05.cp: X-ray diffraction
• 81.07.Bc: Nanocrystalline materials

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 1
• Pages: 142-143

Dates

published

2014-07

Contributors

author

T. Žák

• CEITEC IPM, Institute of Physics of Materials AS CR, v.v.i., Žižkova 22, CZ-616 62 Brno, Czech Republic

author

B. David

• CEITEC IPM, Institute of Physics of Materials AS CR, v.v.i., Žižkova 22, CZ-616 62 Brno, Czech Republic

author

A. Ćosović

• Institute for Technology of Nuclear and Other Mineral Raw Materials, Franse d'Eperea 86, 11000 Belgrade, Serbia

author

V. Ćosović

• Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia

author

D. Živković

• Technical Faculty in Bor, University of Belgrade, Vojske Jugoslavije 12, 19210 Bor, Serbia

author

N. Talijan

• Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia

References

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Identifiers

DOI

10.12693/APhysPolA.126.142