171 citations · 454 across the 12 of their papers we have counts for
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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…
Out-of-plane high-temperature ferromagnetic monolayer CrSCl with large vertical piezoelectric response
San-Dong Guo, Xiao-Shu Guo, Yu-Tong Zhu +1
For two-dimensional (2D) material, piezoelectric ferromagnetism (PFM) with large out-of-plane piezoresponse is highly desirable for multifunctional ultrathin piezoelectric device a…
Huge out-of-plane piezoelectric response in ferromagnetic monolayer NiClI
San-Dong Guo, Yu-Tong Zhu, Ke Qin +1
The combination of piezoelectricity and ferromagnetic (FM) order in a two-dimensional (2D) material, namely 2D piezoelectric ferromagnetism (PFM), may open up unprecedented opportu…
Correlation-enhanced spin-orbit coupling and quantum anomalous Hall insulator with large band gap and stable ferromagnetism in monolayer
San-Dong Guo, Yu-Tong Zhu, Bang-Gui Liu
Nontrivial band topology combined with magnetic ordering can produce quantum anomalous Hall insulator (QAHI), which may lead to advances in device concepts. Here, through first-pri…
Spin-valley-coupled quantum spin Hall insulator with topological Rashba-splitting edge states in Janus monolayer
San-Dong Guo
Achieving combination of spin and valley polarized states with topological insulating phase is pregnant to promote the fantastic integration of topological physics, spintronics and…
Piezoelectric quantum spin Hall insulator with Rashba spin splitting in Janus monolayer
San-Dong Guo, Yu-Tong Zhu, Wen-Qi Mu +1
The realization of multifunctional two-dimensional (2D) materials is fundamentally intriguing, such as combination of piezoelectricity with topological insulating phase or ferromag…
Coexistence of intrinsic piezoelectricity and nontrivial band topology in monolayer InXO (X=Se and Te)
San-Dong Guo, Wen-Qi Mu, Yu-Tong Zhu +2
The combination of piezoelectricity with other unique properties (like topological insulating phase and intrinsic ferromagnetism) in two-dimensional (2D) materials is much worthy o…
Structure effect on intrinsic piezoelectricity in septuple-atomic-layer (M=Mo and W)
San-Dong Guo, Yu-Tong Zhu, Wen-Qi Mu +2
The recently experimentally synthesized monolayer and (\textcolor[rgb]{0.00,0.00,1.00}{Science 369, 670-674 (2020})) lack inversion symmetr…
Predicted septuple-atomic-layer Janus (M=Mo and W) monolayers with Rashba spin splitting and high electron carrier mobilities
San-Dong Guo, Wen-Qi Mu, Yu-Tong Zhu +2
Janus two-dimensional (2D) materials have attracted much attention due to possessing unique properties caused by their out-of-plane asymmetry, which have been achieved in many 2D f…
Coexistence of intrinsic piezoelectricity and ferromagnetism induced by small biaxial strain in septuple-atomic-layer
San-Dong Guo, Wen-Qi Mu, Yu-Tong Zhu +1
The septuple-atomic-layer with the same structure of experimentally synthesized is predicted to be a spin-gapless semiconductor (SGS). In t…
Intrinsic piezoelectricity in monolayer (X=Ti, Zr, Hf, Cr, Mo and W)
San-Dong Guo, Yu-Tong Zhu, Wen-Qi Mu
Motived by experimentally synthesized (\textcolor[rgb]{0.00,0.00,1.00}{Science 369, 670-674 (2020})), the intrinsic piezoelectricity in monolayer $\mathrm{XSi_…
Biaxial strain enhanced piezoelectric properties in monolayer g-
San-Dong Guo, Wen-Qi Mu, Yu-Tong Zhu
Graphite-like carbon nitride (g-) is considered as a promising candidate for energy materials. In this work, the biaxial strain (-4\%-4\%) effects on piezoelectric…