It is found that low content doping can increase the electrostrictive strain of the PUE, while more doping will depress the electrostrictive strain.

• 较低的掺杂能提高PUE的电致伸缩应变，过高的掺杂导致PUE电致伸缩特性下降，掺杂6%25钛酸钡的PUE表现出最佳电致伸缩应变。