| abstract |
The present invention can provide a lead-free piezoelectric material having a high-voltage electrical constant in a room temperature range. To this end, the present invention is a piezoelectric material comprising a main component comprising a perovskite metal oxide represented by the following general formula (1), a first auxiliary component containing Mn, and a second auxiliary component containing trivalent Bi. ,Baa(Ti1-xZrx)O3 (1)nWherein 0.02 □ x □ 0.13 and 0.986 □ a □ 1.02, wherein the amount of Mn contained is 0.0020 mol or more and 0.0150 m or less with respect to 1 mol of the metal oxide, and the amount of Bi contained is relative to 1 mole of metal oxide is above 0.0004 mol and below 0.00850 mTorr. |