210 citations · 446 across the 15 of their papers we have counts for
15 papers
Weak valley-layer coupling and valley polarization in centrosymmetric monolayer
San-Dong Guo, Liguo Zhang, Xiao-Shu Guo +1
Using the valley degree of freedom as a carrier of information for storage and processing, valley polarization plays a crucial role. A variety of mechanisms for valley polarization…
Symmetry-breaking induced transition among net-zero-magnetization magnets
San-Dong Guo, Xiao-Shu Guo, Guangzhao Wang
Net-zero-magnetization magnets have garnered intensive research attention due to their ultradense and ultrafast potential. In terms of the symmetric classification of connecting ma…
Isovalent alloying assisted anomalous valley Hall effect in hexagonal antiferromagnetic monolayer
San-Dong Guo, Liguo Zhang, Xiao-Shu Guo +1
Exploring combination of antiferromagnetic (AFM) spintronics and anomalous valley Hall effect (AVHE) is one of the most important questions for valleytronic applications. The key t…
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…
Janus monolayer ScXY (XY=Cl, Br and I) for piezoelectric and valleytronic application: a first-principle prediction
San-Dong Guo, Xiao-Shu Guo, Shuo-Ning Si +3
Coexistence of ferromagnetism, piezoelectricity and valley in two-dimensional (2D) materials is crucial to advance multifunctional electronic technologies. Here, Janus ScXY (X$\neq…
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…
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…
Valley polarization transition driven by biaxial strain in Janus monolayer
San-Dong Guo, Xiao-Shu Guo, Xiu-Xia Cai +1
The valley degrees of freedom of carriers in crystals is useful to process information and perform logic operations, and it is a key factor for valley application to realize the va…
Intrinsic piezoelectric ferromagnetism with large out-of-plane piezoelectric response in Janus monolayer
San-Dong Guo, Xiao-Shu Guo, Xiu-Xia Cai +2
A two-dimensional (2D) material system with both piezoelectricity and ferromagnetic (FM) order, referred to as a 2D piezoelectric ferromagnetism (PFM), may open up unprecedented op…
Tuning transport coefficients of monolayer with biaxial strain
Xiao-Shu Guo, San-Dong Guo
Experimentally synthesized (\textcolor[rgb]{0.00,0.00,1.00}{Science 369, 670-674 (2020)}) is a piezoelectric semiconductor. Here, we systematically study the l…
Large piezoelectric coefficients combined with high electron mobilities in Janus monolayer XTeI (X=Sb and Bi): a first-principle study
San-Dong Guo, Xiao-Shu Guo, Zhao-Yang Liu +1
The absence of both the inversion symmetry and out-of-plane mirror symmetry together with spin-orbit coupling (SOC) can induce novel electronic and piezoelectric properties. In thi…
Small strain induced large piezoelectric coefficient in -AsP monolayer
San-Dong Guo, Xiao-Shu Guo, Ya-Ying Zhang +1
Strain engineering can effectively tune the electronic, topological and piezoelectric properties of materials. In this work, the small strain (-4\% to 4\%) effects on piezoelectric…
Predicted Janus SnSSe monolayer: a comprehensive first-principle study
San-Dong Guo, Xiao-Shu Guo
The Janus structure, by combining properties of different transition metal dichalcogenide (TMD) monolayers in a single polar material, has attracted increasing research interest be…
Tuning the electronic structures and transport coefficients of Janus PtSSe monolayer with biaxial strain
San-Dong Guo, Xiao-Shu Guo, Ye Deng
Due to their great potential in electronics, optoelectronics and piezoelectronics, Janus transition metal dichalcogenide (TMD) monolayers have attracted increasing research interes…
Born effective charge removed anomalous temperature dependence of lattice thermal conductivity in monolayer GeC
San-Dong Guo
Due to potential applications in nano- and opto-electronics, two-dimensional (2D) materials have attracted tremendous interest. Their thermal transport properties are closely relat…