Role of Lone-Pairs in Driving Ferroelectricity of Perovskite Oxides: An Orbital Selective External Potential Study

1. Shen, Y.
2. Cai, J.
3. Ding, H.-C.
4. Shen, X.-W.
5. Fang, Y.-W.
6. Tong, W.-Y.
7. Wan, X.-G.
8. Zhao, Q.
9. Duan, C.-G.