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Journal of Materials Science: Materials in Electronics

, Volume 29, Issue 24, pp 20680–20687 | Cite as

Effects of (Na1/2Nd1/2)TiO3 on the microstructure and microwave dielectric properties of PTFE/ceramic composites

  • Minghao Yao
  • Ying YuanEmail author
  • Enzhu Li
  • Bin Tang
  • Shuren Zhang
Article
  • 134 Downloads

Abstract

A study on polytetrafluoroethylene (PTFE) composites with Na1/2Nd1/2TiO3 (NNT) ceramic and E glass shorten fiber (E-GF) was described. The E-GF content was fixed at 5 wt.%, and the NNT content varied from 12.1 vol.% to 42.8 vol.%. This paper systematically introduced the preparation process of composites and the effects of NNT filling content on the properties of composites. The surface modification of ceramic powders was observed by Fourier Transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS), which proved that NNT surfaces have been modified by Perfluorooctyltriethoxysilane (F8261) successfully. When the NNT filling content was 42.8 vol.%, substrate material with a low water absorption of 0.12%, high dielectric constant of 9.45, low dielectric loss of 0.0024, and τε of -222 ppm/°C were achieved, which is of great reference significance for the miniaturization and integration of microwave devices.

Notes

Acknowledgements

This work has been supported by the Science and Technology Planning Project of Guangdong Province of China (No. 2017A010103001).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.National Engineering Center of Electromagnetic Radiation Control MaterialsUniversity of Electronic Science and Technology of ChinaChengduPeople’s Republic of China
  2. 2.State Key Laboratory of Electronic Thin Films and Integrated DevicesUniversity of Electronic Science and Technology of ChinaChengduPeople’s Republic of China
  3. 3.Institute of Electronic and Information Engineering of UESTC in GuangdongDongguanPeople’s Republic of China

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