Sub-unit-cell-segmented ferroelectricity in brownmillerite oxides by phonon decoupling
Authors: J.Jang, Y. Jin, Y.-S. Nam, H.-S. Park, J. Kim, K. T. Kang, Y. So, J. Choi, Y. Choi, J. Shim, P. Sriboriboon, D. K. Lee, K.-J. Go, G.-Y. Kim, S. Hong, J. H. Lee, D. Lee, M.-G. Han, J. Son, Y. Kim, H. Taniguchi, S. Kang, J.-S. Lee, H. Tian, C.-H. Yang, Y. Zhu, S.-W. Cheong, W. S. Choi, J. Lee, and S.-Y. Choi
