Simultaneously realizing reversal of piezoelectric coefficient and enhancement of piezoresponse by chromium-doping in aluminum nitride films

Langru Yuan, Hongcai Yu, Yaonan Xiong, Zhou Li, Tingjun Wang, Dongliang Shan, Shulin Chen, Jiawang Hong, Yunya Liu, Bin Yang^*

^*此作品的通讯作者