Electrical polarization induced by atomically engineered compositional gradient in complex oxide solid solution

Ping Chun Wu, Rong Huang, Ying Hui Hsieh, Bo Wang, Min Yen, Sheng Zhu Ho, Akihito Kumamoto, Chaorong Zhong, Haili Song, Yi Chun Chen, Long Qing Chen, Chun Gang Duan, Yuichi Ikuhara, Ying Hao Chu