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Dielectric and microwave absorption performances of hollow C/TiO2 composite microspheres

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Abstract

Hollow TiO2 microspheres and carbon/TiO2 (HC/T) composite microspheres have been synthesized by a one-pot synthesis approach. The complex permittivity result shows that the hollow TiO2/paraffin composites have weak polarized loss, and the permittivities of the hollow HC/T/paraffin composites can be easily tuned by the carbonization temperature. The result of reflection loss (RL) exhibits that the microwave absorption performances of HC/T composite are more excellent than hollow TiO2. The hollow HC/T composite carbonized at 800°C shows the most excellent microwave absorption performances because of suitable complex permittivity and impedance matching.

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All data generated or analyzed during this study are included in this published article (and its supplementary information).

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Acknowledgments

The authors gratefully acknowledge the financial support from Open Project of Science and Technology on Near-Surface Detection Laboratory (No. TCGZ2017A011) and the Fundamental Research Funds for the Central Universities (No. NP2020413).

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Author notes

  1. Guozhu Shen and Hongyu Wei have contributed equally to this work.

Authors and Affiliations

  1. School of Physics and Optoelectronic Engineering, Nanjing University of Information Science & Technology, Nanjing, 210044, China

    Guozhu Shen

  2. College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China

    Hongyu Wei

  3. The First Scientific Research Institute of Wuxi, Wuxi, 214035, China

    Xudong Cai

  4. Science and Technology on Near-Surface Detection Laboratory, Wuxi, 214035, China

    Yewen Xu

Authors
  1. Guozhu Shen
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  2. Hongyu Wei
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  4. Yewen Xu
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Corresponding author

Correspondence to Yewen Xu.

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On behalf of all authors, the corresponding author states that there is no conflict of interest.

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Shen, G., Wei, H., Cai, X. et al. Dielectric and microwave absorption performances of hollow C/TiO2 composite microspheres. MRS Communications 11, 890–895 (2021). https://doi.org/10.1557/s43579-021-00111-2

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  • DOI: https://doi.org/10.1557/s43579-021-00111-2

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