書誌事項
- タイトル別名
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- Effect of Sintering Time of Sintered EaTiO<sub>3</sub> on Electrical Conductivity
- BaTiO3 ショウケツタイ ノ デンキ デンドウド ニ オヨボス ショウセイ
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The relationship between the electrical conductivity of BaTiO3 ceramics and sintering time was studied. SiO2 (2wt%) and La2O3 (0.02wt%) were added to a mixture of BaCO3 and TiO2, and sintered at 1300°C for 1 to 10h in an oxygen atmosphere. With an increase in sintering time the electrical conductivity decreased, and the PTC effect became less evident. AC conductivities also decreased with sintering time, and showed a maximum value at the temperature at which PTC effect was observed in DC conductivity measurement. These experimental results can be explained by the change in trap density at the grain boundaries above and below the crystal transition point.
収録刊行物
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- Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌)
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Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌) 98 (1140), 938-940, 1990
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390282680256034688
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- NII論文ID
- 110002292012
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- NII書誌ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL書誌ID
- 3680177
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- NDL
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