Microwave dielectric properties of Bi(Sc1/3Mo2/3)O4 ceramics for LTCC applications

Zixing Wang, Changlai Yuan, Baohua Zhu, Qin Feng, Fei Liu, Lei Miao, Changrong Zhou, Guohua Chen

研究成果: Article

6 引用 (Scopus)

抜粋

A novel microwave dielectric ceramics Bi(Sc1/3Mo2/3)O4 with low firing temperature were prepared via the solid reaction method. The specimens have been characterized using scanning electron microscopy, X-ray diffraction, Raman spectroscopy and DC conductivity. The Bi(Sc1/3Mo2/3)O4 ceramics showed B-site ordered Scheelite-type structure with space group C2/c. Raman analysis indicated that prominent bands were attributed to the normal modes of vibration of MoO4 2− tetrahedra. The dielectric loss of Bi(Sc1/3Mo2/3)O4 ceramics can be depended strongly the bulk conductivity by DC measurement. The superior microwave dielectric properties are achieved in the Bi(Sc1/3Mo2/3)O4 ceramic sintered at 875 °C/4 h, with dielectric constant ~ 25, Q × f ~ 51,716 GHz at 6.4522 GHz and temperature coefficient of resonance frequency ~ − 70.4 ppm/°C. It is a promising microwave dielectric material for low-temperature co-fired ceramics technology.

元の言語English
ページ(範囲)1817-1822
ページ数6
ジャーナルJournal of Materials Science: Materials in Electronics
29
発行部数3
DOI
出版物ステータスPublished - 2018 2 1
外部発表Yes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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