压电材料、压电元件、压电元件的制造方法和电子器件;PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE

摘要

提供不含铅并且在器件运转温度范围内具有优异且稳定的压电性能的压电材料。为了该目的，本发明的压电材料包括：含有由下述通式(1)表示的钙钛矿金属氧化物的主要成分、含有Mn的第一辅助成分、和含有电荷歧化为三价和五价的Bi的第二辅助成分，其中，含有的Mn的量为0.0020莫耳-0.0150莫耳，相对于1莫耳的该金属氧化物，并且含有的Bi的量为0.0004莫耳-0.0085莫耳，相对于1莫耳的该金属氧化物。;Baa(Ti1-xZrx)O3(1);(其中0.020x0.130和0.996a1.030) A piezoelectric material that does not contain lead and has excellent and stable piezoelectric properties in a device operating temperature range is provided. The present invention for this purpose is a piezoelectric material including a main component containing a perovskite metal oxide represented by following general formula (1), a first auxiliary component containing Mn, and a second auxiliary component containing Bi charge-disproportionated into trivalent and pentavalent, wherein an amount of the contained Mn is 0.0020 moles or more and 0.0150 moles or less relative to 1 mole of the metal oxide, and an amount of the contained Bi is 0.0004 moles or more and 0.0085 moles or less relative to 1 mole of the metal oxide. ;Baa(Ti1-xZrx)O3(1) (where 0.020x0.130 and 0.996a1.030)