High-Q microwave dielectric in the (1 - x)MgTiO3-xCa0.6La0.8/3TiO3 ceramic system with a near-zero temperature coefficient of the resonant frequency

Cheng-Liang Huang, Shih Sheng Liu

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The microwave dielectric properties and microstructures of the new (1 - x)MgTiO3-xCa0.6La0.8/3TiO3 ceramic system, prepared using a mixed oxide route, were investigated. Combination of MgTiO3 (MT) and Ca0.6La0.8/3TiO3 (CLT) forms a two-phase system and leads to a near-zero τf. With increasing x, the microwave Q × f decreased and εr increased. A microwave dielectric material having a εr of 25.45, a Q × f of ~ 82,500 GHz (at 8.5 GHz), and a τf of ~ 0.5 ppm/°C can be obtained from the compound 0.85MgTiO3-0.15Ca0.6La0.8/3TiO3 sintered at 1275 °C for 4 h. It is proposed as a candidate material for ISM band components and GPS antennas.

Original languageEnglish
Pages (from-to)3205-3208
Number of pages4
JournalMaterials Letters
Volume62
Issue number17-18
DOIs
Publication statusPublished - 2008 Jun 30

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'High-Q microwave dielectric in the (1 - x)MgTiO<sub>3</sub>-xCa<sub>0.6</sub>La<sub>0.8/3</sub>TiO<sub>3</sub> ceramic system with a near-zero temperature coefficient of the resonant frequency'. Together they form a unique fingerprint.

  • Cite this