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Journal of Superconductivity and Novel Magnetism

, Volume 32, Issue 12, pp 3823–3830 | Cite as

Effect of Different Sintering Temperatures on Structural and Magnetic Properties of Zn–Co Ferrite Nanoparticles

  • Yingqiang Han
  • Aimin SunEmail author
  • Xiaoguang Pan
  • Wei Zhang
  • Xiqian Zhao
Original Paper
  • 54 Downloads

Abstract

In order to investigate the effect of sintering temperature on the structure and properties of Zn–Co ferrite, the Zn0.5Co0.5Fe2O4 ferrite powder with spinel structured was prepared by sol–gel method at different sintering temperatures. X-ray diffraction spectroscopy (XRD), Fourier transformed infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and vibrating sample magnetometer (VSM) were used to study the structural and magnetic properties of the prepared samples. It was found that the sintering temperature has a significant influence on the structure and magnetic properties of the Zn–Co ferrite. As the sintering temperature increases from 600 to 1000 °C, the crystallinity and crystallite size of the samples increase significantly, but the coercivity, remanence, and squareness decrease and the saturation magnetization increases first and then decreases. Compared with other samples, the sample sintered at 900 °C has the highest bulk density (3715.42 kg/m3) and saturation magnetization (68.17 emu/g). At the same time, it also has a small coercivity, remanence, anisotropy constant, and porosity. The sample obtained by sintering at 800 °C has a good magnetic susceptibility (dM/dH) at Hm. This work provides basic research data for the preparation of Zn–Co ferrite with better magnetic properties and has certain reference value.

Keywords

Zn–Co ferrite Sintering temperature Structural Magnetic properties 

Notes

Funding

This work was supported by the “Student Innovation Ability Program” project fund of Northwest Normal University (No.CX2018Y158).

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.College of Physics and Electronic EngineeringNorthwest Normal UniversityLanzhouChina
  2. 2.Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu ProvinceLanzhouChina

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