72 citations · 109 across the 8 of their papers we have counts for
8 papers
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…
Unexpected Reversed Piezoelectric Response in Elemental Sb and Bi Monolayers
Yunfei Hong, Junkai Deng, Qi Kong +3
Sb and Bi monolayers, as single-elemental ferroelectric materials with similar atomic structure, hold intrinsic piezoelectricity theoretically, which makes them highly promising fo…
A volatile polymer stamp for large-scale, etching-free, and ultraclean transfer and assembly of two-dimensional materials and its heterostructures
Zhigao Dai, Yupeng Wang, Lu Liu +10
The intact transfer and assembly of two-dimensional (2D) materials and their heterostructures are critical for their integration into advanced electronic and optical devices. Herei…
Tunable ferroelectric topological defects on 2D topological surfaces: strain engineering skyrmion-like polar structures in 2D materials
Bo Xu, Zhanpeng Gong, Jingran Liu +6
Polar topological structures in ferroelectric thin films have recently drawn significant interest due to their fascinating physical behaviors and promising applications in high-den…
Interlayer Sliding-Induced Intralayer Ferroelectric Switching in Bilayer Group-IV Monochalcogenides
Bo Xu, Junkai Deng, Xiangdong Ding +2
Two-dimensional materials with ferroelectric properties break the size effect of conventional ferroelectric materials and unlock unprecedented potentials of ferroelectric-related a…
Diverse electronic and magnetic properties of CrS2 enabling novel strain-controlled 2D lateral heterostructure spintronic devices
Kaiyun Chen, Junkai Deng, Yuan Yan +6
Lateral heterostructures of two-dimensional (2D) materials, integrating different phases or materials into a single piece of nanosheet, have attracted intensive research interests…
Modulating Peierls distortion of 1T_prime MoS2 via charge doping: a new charge density wave phase, reversible phase transition, and excellent electromechanical properties
Kaiyun Chen, Junkai Deng, Qian Shi +4
The 1T_prime phase of transition metal dichalcogenides (TMDs) is a low symmetry charge density wave (CDW) phase, which can be regarded as a periodically distorted structure (Peierl…
Cation ordering induced polarization enhancement for - ferroelectric-dielectric superlattices
Junkai Deng, Alex Zunger, Jefferson Zhe Liu
In this paper, an efficient computational material design approach (cluster expansion) is employed for the ferroelectric / system. Via exploring a conguration spa…