PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, MULTILAYER PIEZOELECTRIC ELEMENT, LIQUID DISCHARGING HEAD, LIQUID DISCHARGING DEVICE, ULTRASONIC MOTOR, OPTICAL DEVICE, VIBRATION DEVICE, DUST REMOVAL DEVICE, IMAGING DEVICE, AND ELECTRONIC DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a non-lead piezoelectric material which has a good and stable piezoelectric constant and a good and stable electrically insulation property in a wide practical temperature region.SOLUTION: A piezoelectric material comprises as a primary component, a perovskite metal oxide expressed by the general formula (1) below, and including 0.01-0.80 pt.wt. both inclusive of Mn to 100 pts.wt. of the metal oxide. General formula (1)(LiNaKBaBi)(TiFe)O(where 0.8000.999; 00.150; 0.0010.050; ++=1; 0x0.050; 0.045y0.450; 0.045z0.450; 0.450x+y+z0.500; and 0.980a1.020).