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HIGH-TEMPERATURE LEAD-FREE FERROELECTRIC MATERIAL
PROBLEM TO BE SOLVED: To provide a lead-free material having ferroelectricity even in a temperature range higher than a Curie temperature of PZT.SOLUTION: A ferroelectric material is expressed by the chemical formula (SrBa)NbO(0.20≤x≤0.32) and is used in a use environment of a temperature higher than 320°C. The ferroelectric material can be produced by spark plasma sintering method and the like.SELECTED DRAWING: Figure 2
【課題】PZTのキュリー温度よりも高い温度域にても強誘電性を有する鉛フリーの素材を提供すること。【解決手段】 化学式が(Sr1−xBax)2Nb2O7(ただし、0.20≦x≦0.32)であり、320℃を越える使用環境にて使用することを特徴とする強誘電体材料である。スパークプラズマ焼結法を用いるなどして製造可能である。【選択図】図2
HIGH-TEMPERATURE LEAD-FREE FERROELECTRIC MATERIAL
PROBLEM TO BE SOLVED: To provide a lead-free material having ferroelectricity even in a temperature range higher than a Curie temperature of PZT.SOLUTION: A ferroelectric material is expressed by the chemical formula (SrBa)NbO(0.20≤x≤0.32) and is used in a use environment of a temperature higher than 320°C. The ferroelectric material can be produced by spark plasma sintering method and the like.SELECTED DRAWING: Figure 2
【課題】PZTのキュリー温度よりも高い温度域にても強誘電性を有する鉛フリーの素材を提供すること。【解決手段】 化学式が(Sr1−xBax)2Nb2O7(ただし、0.20≦x≦0.32)であり、320℃を越える使用環境にて使用することを特徴とする強誘電体材料である。スパークプラズマ焼結法を用いるなどして製造可能である。【選択図】図2
HIGH-TEMPERATURE LEAD-FREE FERROELECTRIC MATERIAL
高温用無鉛強誘電体材料
AKISHIGE YUKIKUNI (author) / TSUKADA SHINYA (author) / WATABE SAE (author)
2017-12-07
Patent
Electronic Resource
Japanese
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