Correlated polarization switching in the proximity of a 180° domain wall

Vasudeva Rao Aravind,1,2 A. N. Morozovska,3 Saswata Bhattacharyya,1 D. Lee (이동화 ,4 S. Jesse,5 I. Grinberg,6 Y. L. Li,7 S. Choudhury,1 P. Wu,1 K. Seal,5 A. M. Rappe,6 S. V. Svechnikov,3 E. A. Eliseev,8 S. R. Phillpot,4 L. Q. Chen,1 Venkatraman Gopalan,1,* and S. V. Kalinin5,† 1Materials Research Institute and Department of Materials Science and Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, USA 2Physics Department, Clarion University of Pennsylvania, Clarion, Pennsylvania 16214, USA 3V. Lashkarev Institute of Semiconductor Physics, National Academy of Science of Ukraine, 41, pr. Nauki, 03028 Kiev, Ukraine 4Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA 5Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA 6Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, 19104 USA 7Pacific Northwest National Laboratory, Richland, Washington 99352, USA 8Institute for Problems of Materials Science, National Academy of Science of Ukraine, 3, Krjijanovskogo, 03142 Kiev, Ukraine Received 6 April 2010; revised manuscript received 5 June 2010; published 27 July 2010