Beyond Graphene: Low-Symmetry and Anisotropic 2D Materials

Abstract

Low-symmetry 2D materials---such as ReS${}_2$ and ReSe${}_2$ monolayers, black phosphorus monolayers, group-IV monochalcogenide monolayers, borophene, among others---have more complex atomistic structures than the honeycomb lattices of graphene, hexagonal boron nitride, and transition metal dichalcogenides. The reduced symmetries of these emerging materials give rise to inhomogeneous electron, optical, valley, and spin responses, as well as entirely new properties such as ferroelasticity, ferroelectricity, magnetism, spin-wave phenomena, large nonlinear optical properties, photogalvanic effects, and superconductivity. Novel electronic topological properties, nonlinear elastic properties, and structural phase transformations can also take place due to low symmetry. The "Beyond Graphene: Low-Symmetry and Anisotropic 2D Materials" Special Topic was assembled to highlight recent experimental and theoretical research on these emerging materials.

arXiv commentGuest Editorial for the Special Issue entitled "Beyond Graphene: Low-Symmetry and Anisotropic 2D Materials" at Journal of Applied Physics

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Cited by in corpus (4)

• Giant Transport Anisotropy in ReS${}_2$ Revealed via Nanoscale Conducting Path Control
• Thermally-driven phase transitions in freestanding low-buckled silicene, germanene, and stanene
• Highly stable electronic properties of rippled antimonene under compressive deformation
• In-Plane Anisotropy-Driven Directional Charge Transport in van der Waals p-n Heterojunction