F. Xue, L. Li, J. Britson, Z. Hong, C.A. Heikes, C. Adamo, D.G. Schlom, X.Q. Pan, and L.Q. Chen, “Switching the Curl of Polarization Vectors by an Irrotational Electric Field,” Physical Review B 94 (2016) 100103-1 – 100103-5.
F. Xue, L. Li, J. Britson, Z. Hong, C.A. Heikes, C. Adamo, D.G. Schlom, X.Q. Pan, and L.Q. Chen, “Switching the Curl of Polarization Vectors by an Irrotational Electric Field,” Physical Review B 94 (2016) 100103-1 – 100103-5.