49 citations · 103 across the 13 of their papers we have counts for
8 papers · 1 filter
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 (…
A possible electronic state quasi-half-valley-metal in monolayer
San-Dong Guo, Yu-Ling Tao, Zhuo-Yan Zhao +3
One of the key problems in valleytronics is to realize valley polarization. Ferrovalley (FV) semiconductor and half-valley-metal (HVM) have been proposed, which possess intrinsic s…
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…
Two-dimensional Janus Si dichalcogenides: A first-principles study
San-Dong Guo, Xu-Kun Feng, Yu-Tong Zhu +2
Strong structural asymmetry is actively explored in two-dimensional (2D) materials, because it can give rise to many interesting physical properties. Motivated by the recent synthe…
Triggering superconductivity, semiconducting states, and ternary valley structure in graphene via functionalization with Si-N layers
Luo Yan, Jiaojiao Zhu, Bao-Tian Wang +4
Opening a band gap and realizing static valley control have been long sought after in graphenebased two-dimensional (2D) materials. Motivated by the recent success in synthesizing…
Electric-field induced magnetic-anisotropy transformation to achieve spontaneous valley polarization
San-Dong Guo, Xiao-Shu Guo, Guang-Zhao Wang +2
Valleytronics has been widely investigated for providing new degrees of freedom to future information coding and processing. Here, it is proposed that valley polarization can be ac…
Cataloguing MoSiN and WSiN van der Waals Heterostructures: An Exceptional Material Platform for Excitonic Solar Cell Applications
Che Chen Tho, Chenjiang Yu, Qin Tang +14
Two-dimensional (2D) materials van der Waals heterostructures (vdWHs) provides a revolutionary route towards high-performance solar energy conversion devices beyond the conventiona…