Enhanced piezoelectric response in single-crystalline Bi4Ti3O12 nanoplates F. Wang, J. B. Wang, X. L. Zhong, B. Li, Y. Zhang, C. J. Lu, W. N. Ye and Y. C. Zhou EPL, 103 3 (2013) 37002 Published online: 28 August 2013 DOI: 10.1209/0295-5075/103/37002