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6 papers · 2 filters
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…
2D-XY ferromagnetism with high transition temperature in Janus monolayer VXN (X = P, As)
Wenhui Wan, Botao Fu, Chang Liu +3
Two-dimensional (2D) XY magnets with easy magnetization planes support the nontrivial topological spin textures whose dissipationless transport is highly desirable for 2D spintroni…
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…
Charge density wave and superconductivity in the kagome metal CsVSb around a pressure-induced quantum critical point
Chongze Wang, Shuyuan Liu, Hyunsoo Jeon +2
Using first-principles density functional theory calculations, we investigate the pressure-induced quantum phase transition (QPT) from the charge density wave (CDW) to the pristine…
Emerging Two-Dimensional Magnetism in Nonmagnetic Electrides Hf2X (X = S, Se, Te)
Shuyuan Liu, Chongze Wang, Hyunsoo Jeon +2
Recent experimental discoveries of two-dimensional (2D) magnets have triggered intense research activities to search for atomically thin magnetic systems. Using first-principles ca…
Strain effects on topological and valley properties of Janus monolayer
San-Dong Guo, Wen-Qi Mu, Jia-Hao Wang +3
Strain is an effective method to tune the electronic properties of two-dimension (2D) materials, and can induce novel phase transition. Recently, 2D family mater…