Abstract

Novel magnetic hydrotalcite-like compounds (HTLcs) were synthesized through introducing magnetic substrates (Fe3O4) into the Co–Al HTLcs materials by hydrothermal method. The magnetic Co–Al HTLcs with different Fe3O4contents were characterized in detail by XRD, FT-IR, SEM, TEM, DSC, and VSM techniques. It has been found that the magnetic substrates were incorporated with HTLcs successfully, although the addition of Fe3O4might hinder the growth rate of the crystal nucleus. The morphology of the samples showed the relatively uniform hexagonal platelet-like sheets. The grain boundaries were well defined with narrow size distribution. Moreover, the Co–Al HTLcs doped with magnetic substrates presented the paramagnetic property.

Highlights

  • Hydrotalcite-like compounds (HTLcs) are a family of twodimensional nanostructured lamellar ionic compounds, J

  • Magnetic Co–Al HTLcs was prepared by the hydrothermal process

  • The morphology of magnetic Co–Al HTLcs was investigated by Scanning electron microscopy (SEM) and Transmission electron microscopy (TEM) and the images were shown in Intensity (a.u.) 003

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Summary

Introduction

Hydrotalcite-like compounds (HTLcs) are a family of twodimensional nanostructured lamellar ionic compounds, J. Keywords Magnetic Co–Al hydrotalcite Á Hydrothermal method Á Paramagnetism Á Nanoparticles Á X-ray techniques We designed and synthesized magnetic Co–Al HTLcs through introducing magnetic Fe3O4 nanoparticles using the hydrothermal method in autoclaves under autogenous water vapor pressure at 180 °C for 6 h.

Results
Conclusion

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