High-Q Microwave Dielectric SrTiO3-Doped MgTiO3 Materials with Near-Zero Temperature Coefficient of Resonant Frequency

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著者

    • Cho Won Woo Cho Won Woo
    • Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
    • Ohsato Hitoshi Ohsato Hitoshi
    • Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan

抄録

The microwave dielectric properties of the ($1-x$)MgTiO3–$x$SrTiO3 system have been investigated. The objective of the present work is to compensate for the negative temperature coefficient of the resonant frequency ($\tau_{\text{f}}$) of MgTiO3 by addition of SrTiO3. The variation in microwave properties of the system significantly depends on the amount of SrTiO3 present, and they can be matched using mixing rules. With increasing $x$, the dielectric constant ($\varepsilon_{\text{r}}$) increased and the quality factor ($Qf$) decreased. A ceramic sample with $x=0.036$ of SrTiO3, sintered at 1270°C for 2 h, and having a near-zero temperature coefficient of resonant frequency ($\tau_{\text{f}}$) of $-1.3$ ppm/°C can be obtained.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 43(9A), 6221-6224, 2004-09-15

    公益社団法人 応用物理学会

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各種コード

  • NII論文ID(NAID)
    10013574004
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    7079706
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  NDL  J-STAGE  JSAP 
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