書誌事項
- タイトル別名
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- Preparation and Pyroelectric Properties of (Pb, La) (Zr, Ti)O<sub>3</sub> Ceramics
- Preparation and Pyroelectric Properties
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抄録
The results of this study are summarized as follows:<br>(1) High density lanthanum-modified lead zirconate titanate (PLZT) ceramics with compositions of {(Pb0.925La0.075)(ZryTi1-y)0.981O3+0.5 mass% MnO2}, where y=0-0.10, were successfully synthesized by hot isostatic pressing.<br>(2) All the pressed samples had the high relative density of 99.9% of theoretical density.<br>(3) The relative dielectric constant εr at room temperature was in the range of 290 to 334 which was satisfactory for requirements of maintaining appropriately low εr(-350).<br>(4) The rates of linear increase m1 and decrease m2 calculated from the slope of the linear plot of εr and the Curie temperature TC with y were approximately 4.0/mol% Zr and 0.6°C/mol% Zr, respectively.<br>(5) Assuming that the volume specific heat Cv of the PLZT samples with y=0-0.10 are 3.2×106J/m3·K, y=0.10 PLZT sample exhibited the highest figures of merit F.M. for voltage responsivity of around 0.20×10-12C·m/J and F.M.D* for specific detectivity D* of around 0.57×10-10C·m/J, among the nine samples studied here.<br>(6) The figure of merit F.M.D* of y=0.10 PLZT sample matched εr of element materials with those of FET used in the sensor circuit was superior to those of PLZT(4/44/56) ceramic and x=0.005 PLMT ceramic that have been previously reported.
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) 105 (1220), 312-316, 1997
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
- 1390001205277953408
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- NII論文ID
- 110002289156
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- NII書誌ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL書誌ID
- 4184880
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- データソース種別
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- JaLC
- NDL
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