5 papers · 1 filter
Temperature-driven structural phase transitions in SmNiO: insights from deep potential molecular dynamics simulations
Guoyong Shi, Fenglin Deng, Ri He +4
The metal-insulator transition (MIT) in rare-earth nickelates exemplifies the intricate coupling between lattice dynamics and electronic effects. This strong interplay makes it cha…
Undamped Soliton-like Domain Wall Motion in Sliding Ferroelectrics
Yubai Shi, Yuxiang Gao, Ri He +3
Sliding ferroelectricity in bilayer van der Waals materials exhibits ultrafast switching speed and fatigue resistance during the polarization switching, offering an avenue for the…
Spontaneous curvature in two-dimensional van der Waals heterostructures
Yuxiang Gao, Fenglin Deng, Ri He +1
Two-dimensional (2D) van der Waals (vdW) heterostructures consist of different 2D crystals with diverse properties, constituting the cornerstone of the new generation of 2D electro…
Sliding Flexoelectricity in Two-Dimensional van der Waals Systems
Ri He, Hua Wang, Fenglin Deng +5
Two-dimensional sliding ferroelectrics, with their unique stacking degrees of freedom, offer a different approach to manipulate polarization by interlayer sliding. Bending sliding…
A compositional ordering-driven morphotropic phase boundary in ferroelectric solid solutions
Yubai Shi, Yifan Shan, Hongyu Wu +3
Ferroelectric solid solutions usually exhibit giant dielectric response and high piezoelectricity in the vicinity of the morphotropic phase boundary (MPB), where the structural pha…