Wang Long-Hai, Yu Jun, Liu Feng, Zheng Chao-Dan, Li Jia, Wang Yun-Bo, Gao Jun-Xiong, Wang Zhi-Hong, Zeng Hui-Zhong, Zhao Su-Ling. The domain and domain wall structure of PT/PZT/PT ferroelectric thin filmJ. Acta Physica Sinica, 2006, 55(5): 2590-2595. DOI: 10.7498/aps.55.2590