Outstanding 12% strain stability
Addresses room-temperature degradation in electrostrictive ceramics by controlling oxygen vacancy complexes, enabling stable giant electrostriction for practical devices.
Pan, Kai · Zhuwu, Yi · Shan, Dongliang · Liu, Yunya · Xie, Shuhong · Li, Jiangyu
Science Advances 2025
Electrostriction decreases by one order of magnitude after resting
At 500 Hz and higher, electrostriction is one order smaller and no degradation
Degradation attributed to redox reactions inducing oxygen vacancy complexes that reduce mobile oxygen vacancies during resting