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New low-εr, temperature stable Mg3B2O6-Ba3(VO4)2 microwave composite ceramic for 5G application

  • Tao Zhou
  • , Yahan Liu
  • , Kaixin Song*
  • , Lingyun Xue
  • , Ping Xu
  • , Amir Khesro
  • , Dawei Wang*
  • , Bing Liu
  • , Minmin Mao
  • , Feng Shi
  • , Shikuan Sun
  • *Corresponding author for this work
  • Hangzhou Dianzi University
  • Abdul Wali Khan University Mardan
  • Shenzhen Institute of Advanced Technology
  • Qilu University of Technology
  • Foshan University

Research output: Contribution to journalArticlepeer-review

Abstract

Novel low-εr, thermal and phase stable of (1-x)Mg3B2O6-xBa3(VO4)2 (x mol% =51, 53, 55, 57, 59) microwave composite ceramics were firstly fabricated and reported using the conventional solid-state reaction method. X-ray diffraction, scanning electron microscopy, energy dispersive X-ray, and Raman spectroscopy confirmed the coexistence of both phases without other phases. Near-zero temperature coefficient of resonant frequency (τf ~ +1.2 ppm/°C) is obtained for the 0.43Mg3B2O6-0.57Ba3(VO4)2 composite ceramic, with permittivity (εr) of 8.8 and high-quality factor (Q×f) of 45 420 GHz, which is a promising candidate for 5G applications.

Original languageEnglish
Pages (from-to)3818-3822
Number of pages5
JournalJournal of the American Ceramic Society
Volume104
Issue number8
DOIs
StatePublished - Aug 2021
Externally publishedYes

Keywords

  • 5G
  • MgBO
  • Microwave ceramics

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