机器学习势在铁电材料研究中的应用
刘仕, 黄佳玮, 武静

Application of Machine Learning Force Fields for Modeling Ferroelectric Materials
LIU Shi, HUANG Jiawei, WU Jing
图1 以PbTiO3为代表的钙钛矿铁电材料结构示意图和铁电相HfO2结构示意图
Fig.1 Schematic structures of perovskite ferroelectric material represented by PbTiO3 (Polarization (denote as P) directions are marked with blue arrows. Pb atoms in dark gray, Ti atoms in blue, and O atoms in red) (a) and ferroelectric phase HfO2 (Hf atoms in light gray and O atoms in red. Onp and Op are non-polar and polar O atoms, respectively) (b)