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Dimensionality-suppressed chemical doping in 2D semiconductors: the cases of phosphorene, MoS2, and ReS2 from first-principles
Ji-Hui Yang, Boris. I. Yakobson
In spite of great appeal of two-dimensional (2D) semiconductors for electronics and optoelectronics, to achieve required charge carrier concentrations by means of chemical doping r…
Unusual negative formation enthalpies and atomic ordering in isovalent alloys of transition metal dichalcogenide monolayers
Ji-Hui Yang, Boris I. Yakobson
Common substitutional isovalent semiconductor alloys usually form disordered metastable phases with positive excess formation enthalpies (ΔH). In contrast, monolayer alloys of tran…
Quaternary two-dimensional (2D) transition metal dichalcogenides (TMDs) with tunable bandgap
Sandhya Susarla, Alex Kutana, Jordan A. Hachtel +7
Alloying/doping in two-dimensional material has been important due to wide range band gap tunability. Increasing the number of components would increase the degree of freedom which…
Electrostatic properties and current transport of two-dimensional Schottky barrier diode
Fangbo Xu, Alex Kutana, Yang Yang +1
Recently demonstrated metal-semiconductor heterojunctions with few-atom thickness show their promise as 2D Schottky contacts for future integrated circuits and nanoelectronics. The…
Predicting Stable Phase Monolayer MoC (MXene), a Superconductor with Chemically-Tunable Critical Temperature
Jincheng Lei, Alex Kutana, Boris I. Yakobson
Two-dimensional (2D) superconductors have attracted great attention in recent years due to the possibility of new phenomena in lower dimensions. With many bulk transition metal car…