217 citations · 1.2k across the 35 of their papers we have counts for
35 papers
Designer Edge States in Fractional Polarization Insulators
Wei Jie Chan, Peihao Fu, L. K. Ang +1
We theoretically investigated the topological-protected edge states (TESs) in an anisotropic honeycomb lattice with mirror and chiral symmetries, characterized by an alternative to…
Piezoelectric altermagnetism and spin-valley polarization in Janus monolayer
San-Dong Guo, Xiao-Shu Guo, Kai Cheng +2
The altermagnetism can achieve spin-split bands in collinear symmetry-compensated antiferromagnets. Here, we predict altermagnetic order in Janus monolayer with e…
2D Janus Niobium Oxydihalide NbO: Multifunctional High-Mobility Piezoelectric Semiconductor for Electronics, Photonics and Sustainable Energy Applications
Tong Su, Ching Hua Lee, San-Dong Guo +5
Two-dimensional (2D) niobium oxydihalide NbOI has been recently demonstrated as an excellent in-plane piezoelectric and nonlinear optical materials. Here we show that Janus nio…
Proposal for valleytronic materials: ferrovalley metal and valley gapless semiconductor
San-Dong Guo, Yu-Ling Tao, Guang-Zhao Wang +2
Valleytronic materials can provide new degrees of freedom to future electronic devices. In this work, the concepts of the ferrovalley metal (FVM) and valley gapless semiconductor (…
Switching Rashba spin-splitting by reversing electric-field direction
San-Dong Guo, Jing-Xin Zhu, Hao-Tian Guo +3
The manipulation of the Rashba spin-splitting is crucial for the development of nanospintronic technology. Here, it is proposed that the Rashba spin-splitting can be turned on and…
Importance of magnetic shape anisotropy in determining magnetic and electronic properties of monolayer
San-Dong Guo, Yu-Ling Tao, Kai Cheng +2
Two-dimensional (2D) ferromagnets have been a fascinating subject of research, and magnetic anisotropy (MA) is indispensable for stabilizing the 2D magnetic order. Here, we investi…