58 citations · 134 across the 7 of their papers we have counts for
7 papers
Origin of Interstitial Doping Induced Coercive Field Reduction in Ferroelectric Hafnia
Tianyuan Zhu, Liyang Ma, Xu Duan +1
Hafnia-based ferroelectrics hold promise for nonvolatile ferroelectric memory devices. However, the high coercive field required for polarization switching remains a prime obstacle…
Emergent superconductivity in doped ferroelectric hafnia
Xu Duan, Shi Liu
Superconductivity and ferroelectricity,representing two distinct forms of ordered states, are typically not found together in the same system, making it even more difficult to crea…
Two-dimensional multiferroic metal with voltage-tunable magnetization and metallicity
Xu Duan, Jiawei Huang, Bin Xu +1
We design a multiferroic metal that combines seemingly incompatible ferromagnetism, ferroelectricity, and metallicity by hole doping a two-dimensional (2D) ferroelectric with high…
On-demand quantum spin Hall insulators controlled by two-dimensional ferroelectricity
Jiawei Huang, Xu Duan, Sunam Jeon +4
The coexistence of ferroelectric and topological orders in two-dimensional (2D) atomic crystals allows non-volatile and switchable quantum spin Hall states. Here we offer a general…
Designing Xenes with Two-Dimensional Triangular Lattice
Xu Duan, Zhao Liu, Brendan M. Hanrahan +2
Xenes, graphene-like two-dimensional (2D) monoelemental crystals with a honeycomb symmetry, have been the focus of numerous experimental and theoretical studies. In comparison, sin…
Coexistence of nontrivial topological properties and strong ferromagnetic fluctuations in CrAs (=Na, K, Rb and Cs)
Chenchao Xu, Ninghua Wu, Guo-Xiang Zhi +5
Superconductivity in crystals without inversion symmetry has received extensive attention due to its unconventional pairing and possible nontrivial topological properties. Using fi…
Tunable Electronic Structure and Topological Properties of (=Ce, Pr, Gd, Sm, Yb; =Sb, Bi)
Xu Duan, Fan Wu, Jia Chen +4
We have performed systematic first principles study of the electronic structure and band topology properties of compounds (=Ce, Pr, Gd, Sm, Yb; =Sb, Bi). Assuming th…