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From Brittle to Ductile: A Structure Dependent Ductility of Diamond Nanothread
Haifei Zhan, Gang Zhang, Vincent BC Tan +4
As a potential building block for the next generation of devices or multifunctional materials that are spreading almost every technology sector, one-dimensional (1D) carbon nanomat…
Realization of Room-Temperature Phonon-limited Carrier Transport in Monolayer MoS2 by Dielectric and Carrier Screening
Zhihao Yu, Zhun-Yong Ong, Yiming Pan +9
We show that by combining high-k dielectric substrate and high density of charge carriers, Coulomb impurity can be effectively screened, leading to an unprecedented room-temperatur…
High-Performance Monolayer WS2 Field-effect Transistors on High-k Dielectrics
Yang Cui, Run Xin, Zhihao Yu +13
The combination of high-quality Al2O3 dielectric and thiol chemistry passivation can effectively reduce the density of interface traps and Coulomb impurities of WS2, leading to a s…
Direction dependent thermal conductivity of monolayer phosphorene: parameterization of Stillinger-Weber potential and molecular dynamics study
Wen Xu, Liyan Zhu, Yongqing Cai +2
A Stillinger-Weber interatomic potential is parameterized for phosphorene. It well reproduces the crystal structure, cohesive energy and phonon dispersion predicted by first-princi…
Giant Phononic Anisotropy and Unusual Anharmonicity of Phosphorene: Interlayer Coupling and Strain Engineering
Yongqing Cai, Qingqing Ke, Gang Zhang +3
Phosphorene, an emerging elemental two-dimensional (2D) direct band gap semiconductor with fascinating structural and electronic properties distinctively different from other 2D ma…