On the origin of the large remanent polarization in La:HfO2
T. Schenk, C. M. Fancher, M. H. Park, C. Richter, C. Künneth, A. Kersch, J. L. Jones, T. Mikolajick, and U. Schroeder
Advanced Electronic Materials, vol. 5, no. 12, art. no. 1900303, 2019
doi:10.1002/aelm.201900303