A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND LIQUID DISCHARGE HEAD
To provide a piezoelectric material which does not include an intermediate layer and is hard to be cracked.SOLUTION: The present invention relates to a piezoelectric material containing kalium, natrium and niobium and has a perovskite structure. A Raman shift of a peak belonging to A1g obtained by performing Raman spectroscopic analysis on a plurality of measurement regions is 400 cm-1 or more and 700 cm-1 or less. A difference between a maximum value and a minimum value of the Raman shift among the peaks in the plurality of measurement regions is 11.0 cm-1 or less.SELECTED DRAWING: Figure 7
【課題】中間層を有さずに、クラックが発生し難い圧電体を提供する。【解決手段】カリウムと、ナトリウムと、ニオブと、を含み、ペロブスカイト構造を有し、複数の測定領域に対してラマン分光分析を行って得られたＡ１ｇに帰属されるピークのラマンシフトは、４００ｃｍ－１以上７００ｃｍ－１以下であり、前記複数の測定領域における前記ピークのうちのラマンシフトの最大値と最小値との差は、１１．０ｃｍ－１以下である、圧電体。【選択図】図７
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND LIQUID DISCHARGE HEAD
To provide a piezoelectric material which does not include an intermediate layer and is hard to be cracked.SOLUTION: The present invention relates to a piezoelectric material containing kalium, natrium and niobium and has a perovskite structure. A Raman shift of a peak belonging to A1g obtained by performing Raman spectroscopic analysis on a plurality of measurement regions is 400 cm-1 or more and 700 cm-1 or less. A difference between a maximum value and a minimum value of the Raman shift among the peaks in the plurality of measurement regions is 11.0 cm-1 or less.SELECTED DRAWING: Figure 7
【課題】中間層を有さずに、クラックが発生し難い圧電体を提供する。【解決手段】カリウムと、ナトリウムと、ニオブと、を含み、ペロブスカイト構造を有し、複数の測定領域に対してラマン分光分析を行って得られたＡ１ｇに帰属されるピークのラマンシフトは、４００ｃｍ－１以上７００ｃｍ－１以下であり、前記複数の測定領域における前記ピークのうちのラマンシフトの最大値と最小値との差は、１１．０ｃｍ－１以下である、圧電体。【選択図】図７
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND LIQUID DISCHARGE HEAD
圧電体、圧電素子、および液体吐出ヘッド
KITADA KAZUYA (author) / SAKAI TOMOHIRO (author) / KAKEMURA YASUTO (author)
2023-07-07
Patent
Electronic Resource
Japanese
PIEZOELECTRIC SUBSTRATE, PIEZOELECTRIC ELEMENT AND LIQUID DISCHARGE HEAD
| European Patent Office | 2023
European Patent Office | 2015
| European Patent Office | 2015
| European Patent Office | 2016