Improvement of Sintering and Microwave Dielectric Characteristics of Ba(Mg1/3Ta2/3)O3 Ceramics by Addition of BaTi4O9

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BaTi4O9 (BT4) calcined at 1150°C and Ba(Mg1/3Ta2/3)O3 (BMT) calcined at 1200°C are mixed, the sintering and the microwave dielectric characteristics of 0.18 mol BT4 and 0.82 mol BMT ceramics are determined (BT4-BMT). The required sintering temperature of BT4-BMT ceramics is decreased to approximately 1320°C. As the sintering temperatures increase from 1240 to 1360°C, the microwave dielectric properties of BT4-BMT ceramics change as follows: The $\varepsilon_{\text{r}}$ values increase from 23.5 to 28.0, the $Q$*$f$ values increase from 25200 to 64700 and the $\tau_{\text{f}}$ values linearly change from 2.0 ppm/°C to 4.3 ppm/°C. The $\varepsilon_{\text{r}}$ values, the $Q$*$f$ values and the $\tau_{\text{f}}$ values are saturated in 1320°C-sintered ceramics.

収録刊行物

  • Japanese journal of applied physics. Pt. 2, Letters

    Japanese journal of applied physics. Pt. 2, Letters 43(3B), L382-L385, 2004-03-15

    Japan Society of Applied Physics

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各種コード

  • NII論文ID(NAID)
    10012705046
  • NII書誌ID(NCID)
    AA10650595
  • 本文言語コード
    EN
  • 資料種別
    SHO
  • ISSN
    0021-4922
  • NDL 記事登録ID
    6887373
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z54-J337
  • データ提供元
    CJP書誌  NDL  JSAP 
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