20 citations · 24 across the 11 of their papers we have counts for
11 papers
Role of Characteristic Length Scale in Interface Graphitization-Induced Wear Resistance of Diamond and Amorphous Carbon
WenLiang Shi, YanYu Zhang, WenZheng Liao +4
The evolution of interfacial atomic structures critically influences the friction and wear behavior of carbon-based materials. However, how the characteristic length scale of frict…
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…
Domain-Pair Intertwined Topological Domain Structure in Elemental Bi Monolayer
Yunfei Hong, Junkai Deng, Yang Yang +5
Ferroelectric domain structures, separated by domain walls, often display unconventional physics and hold significant potential for applications in nano-devices. Most naturally gro…
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…
Revisit the phase diagram and piezoelectricity of lead zirconate titanate from first principles
Yubai Shi, Ri He, Bingwen Zhang +1
Lead zirconate titanate (PbZr1-xTixO3, PZT) exhibits excellent piezoelectric properties in the morphotropic phase boundary (MPB) region of its temperature-composition phase diagram…
Ferroelastic twin wall mediated ferro-flexoelectricity and bulk photovoltaic effect in SrTiO
Ri He, Haowei Xu, Peijun Yang +3
Ferroelastic twin walls in nonpolar materials can give rise to a spontaneous polarization due to symmetry breaking. Nevertheless, the bi-stable polarity of twin walls and its rever…
Pressure-induced one-dimensional oxygen ion diffusion channel in lead-apatite
Ri He, Hongyu Wu, Xuejian Qin +2
Recently, Lee et al. claimed that the experimental observation of room-temperature ambient-pressure superconductivity in a Cu-doped lead-apatite (Pb10-xCux(PO4)6O). The study revea…
Atomistic simulations of thermodynamic properties of liquid gallium from first principles
Hongyu Wu, Wenliang Shi, Ri He +4
In the research of condensed matter, atomistic dynamic simulations play a crucial role, particularly in revealing dynamic processes, phase transitions and thermodynamic statistics…
Active learning of effective Hamiltonian for super-large-scale atomic structures
Xingyue Ma, Hongying Chen, Ri He +8
The first-principles-based effective Hamiltonian scheme provides one of the most accurate modeling technique for large-scale structures, especially for ferroelectrics. However, the…