32 citations · 93 across the 9 of their papers we have counts for
8 papers · 1 filter
Electric-field-modulated topological phase transition in AlSb/InSe heterobilayers
D. Q. Fang, D. W. Wang
Searching for controllable topological phase by means of external stimuli in two-dimensional (2D) material-based van der Waals (vdW) heterostructures is currently an active field f…
Large spin splitting and piezoelectricity in a two-dimensional topological insulator AlSbBi with double-layer honeycomb structure
D. Q. Fang, H. Zhang, D. W. Wang
Two-dimensional materials provide remarkable platforms to uncover intriguing quantum phenomena and develop nanoscale devices of versatile applications. Recently, AlSb in the double…
Dynamic behavior of polar nanoregions in re-entrant relaxor 0.6Bi(Mg1/2Ti1/2)O3-0.4PbTiO3
Kaiyuan Chen, Qi Zhang, Jia Liu +9
The existence of polar nanoregions is the most important characteristic of ferroelectric relaxors, however, the size determination and dynamic of PNRs remains uncertain. We reveal…
Charge effects in donor doped perovskite ferroelectrics
J. Liu, L. Liu, J. Zhang +5
Doping is a widely used method to tune physical properties of ferroelectric perovskites. Since doping can induce charges due to the substitution of certain elements, charge effects…
Phase evolution and thermal stability of high Curie temperature BiScO-PbTiO-Pb(CdNb)O ceramics near MPB
Zhencheng Lan, Kaiyuan Chen, Xiafeng He +8
Piezoelectric and ferroelectric ceramics with a high Curie temperature (Tc) have attracted a growing attention owning to their applications under severe environments. In this work,…
ATiO/TiO (A=Pb, Sn) superlattice: bridging ferroelectricity and conductivity
S. Raza, R. Zhang, N. Zhang +5
We propose to insert TiO layers to perovskite ATiO to form a superlattice and use first-principles calculations to investigate its basic properties. Our computational analysi…
Understanding doped perovskite ferroelectrics with defective dipole model
J. Liu, L. Jin, Z. Jiang +6
While doping is widely used for tuning physical properties of perovskites in experiments, it remains a challenge to exactly know how doping achieves the desired effects. Here, we p…
Epitaxially strained SnTiO at finite temperatures
D. Wang, L. Liu, J. Liu +2
Combining effective Hamiltonian and direct computation, we obtain the phase diagram of SnTiO with respect to epitaxial strain and temperature, demonstrating the…