Structure, dielectric properties, and applications of CaTiO 3-modified Ca4MgNb2TiO12 ceramics at microwave frequency

Cheng-Liang Huang, Yu Wei Tseng

研究成果: Article

8 引文 斯高帕斯(Scopus)

摘要

High-dielectric-constant and low-loss ceramics in the (1-x)Ca 4MgNb2TiO12-xCaTiO3 system have been prepared by the conventional solid-state route. The forming of complete (1-x)Ca4MgNb2TiO12-xCaTiO3 solid solutions were confirmed by the X-ray diffraction pattern analysis and the measured lattice parameters, which linearly varied from a=5.5478 Å, b=7.7710 Å, and c=5.4543 Å for x=0.1 to a=5.4718 Å, b=7.6799 Å, and c=5.4262 Å for x=0.9. By increasing x, not only could the τf of the ceramics be turned to a near-zero value (∼-6.9 ppm/°C) at x=0.3, a substantial Q×f (∼20 200 GHz) and εr (∼43.88) could also be achieved simultaneously.

原文English
頁(從 - 到)1824-1828
頁數5
期刊Journal of the American Ceramic Society
94
發行號6
DOIs
出版狀態Published - 2011 六月 1

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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