Effect of BaCu(B2O5) Additive on the Sintering Temperature and Microwave Dielectric Properties of BaTi4O9 Ceramics
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概要
- 論文の詳細を見る
BaCu(B2O5) (BCB) additive was used to decrease the sintering temperature of the BaTi4O9 ceramics. The amount of Ba4Ti13O30 second phase increased with the addition of BCB, whereas that of the BaTi4O9 phase decreased. The bulk density and dielectric constant ($\varepsilon_{\text{r}}$) considerably increased with the addition of BCB. An increase in the $Q$-value was also observed for the BaTi4O9 ceramics with a small amount of BCB. Good microwave dielectric properties with values of $\varepsilon_{\text{r}}=32$, $Q \times f=10800$ GHz and $\tau_{\text{f}}=32$ ppm/°C were obtained in the BaTi4O9 ceramics with 12.0 mol % of BCB sintered at 875 °C for 2 h.
- 2006-03-25
著者
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Kim Jong-hee
Korea Institute Of Ceramic Engineering And Technology
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Kim Min-han
Department Of Materials Science And Engineering Korea University
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PAIK Jong-Hoo
Korea Institute of Ceramic Engineering and Technology
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Kim Jae-chul
Department Of Materials Science And Engineering Korea University
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Nahm Sahn
Department Of Materials Science And Engineering Korea University
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Lim Jong-bong
Department Of Materials Science And Engineering Korea University
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Lim Jong-Bong
Department of Materials Science and Engineering, Korea University, 1-5 Ka, Anam-Dong, Sungbuk-Ku, Seoul 136-701, Korea
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Paik Jong-Hoo
Korea Institute of Ceramic Engineering and Technology, 233-5 Gasan-Dong, Guemcheon-Gu, Seoul 153-801, Korea
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Kim Jong-Hee
Korea Institute of Ceramic Engineering and Technology, 233-5 Gasan-Dong, Guemcheon-Gu, Seoul 153-801, Korea
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Kim Jae-Chul
Department of Materials Science and Engineering, Korea University, 1-5 Ka, Anam-Dong, Sungbuk-Ku, Seoul 136-701, Korea
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