Preparation and Characterization of BaTiO3 Thick Films with Li2O-SiO2 Sintering Aid
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概要
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The effect of adding a Li2SiO3 (LSO) sintering aid for low temperature fabrication of BaTiO3 (BT) thick films was investigated. LSO-added BT thick films were prepared by the screen printing method on Pt-coated ZrO2 substrates. Their sintering properties were significantly improved by the addition of LSO, and the relative density of the BT thick film fired in air at 1200°C was 96%. The secondary phase was not observed. The dielectric, ferroelectric, and piezoelectric properties of the LSO-added BT thick films were examined. A typical ferroelectric hysteresis loop was observed, and the remnant polarization ($P_{\text{r}}$) was 7.5 μC/cm2. The dielectric constant was 3200, and $\tan\delta$ was 2.1%. The maximum piezoelectric constant $d_{31}$ calculated from the displacement of the Pt/BT/Pt/ZrO2 monomorph cantilever was $-140$ pm/V, and $d_{33}$ measured with an atomic force microscope was 320 pm/V.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-09-15
著者
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Sakabe Yukio
Murata Manufacturing Co. Ltd.
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Ando Akira
Murata Manufacturing Co. Ltd.
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Kageyama Keisuke
Murata Manufacturing Co., Ltd., 10-1 Higashi Koutari 1-chome, Nagaokakyo, Kyoto 617-8555, Japan
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Nakaiso Toshiyuki
Murata Manufacturing. Co., Ltd., 10-1, Higashikotari 1-chome, Nagaokakyo-shi, Kyoto 617-8555, Japan
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Sakabe Yukio
Murata Manufacturing. Co., Ltd., 10-1, Higashikotari 1-chome, Nagaokakyo-shi, Kyoto 617-8555, Japan
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Kageyama Keisuke
Murata Manufacturing. Co., Ltd., 10-1, Higashikotari 1-chome, Nagaokakyo-shi, Kyoto 617-8555, Japan
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Kageyama Keisuke
Murata Manufacturing Co., Ltd., 1-10-1 Higashikotari, Nagaokakyo, Kyoto 617-8555, Japan
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