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Phonon transport in a one-dimensional harmonic chain with long-range interaction and mass disorder
Hangbo Zhou, Gang Zhang, Jian-Sheng Wang +1
Atomic mass and interatomic interaction are the two key quantities that significantly affect the heat conduction carried by phonons. Here, we study the effects of long-range (LR) i…
Theory of substrate-directed heat dissipation for single-layer graphene and other two-dimensional crystals
Zhun-Yong Ong, Yongqing Cai, Gang Zhang
We present a theory of the phononic thermal (Kapitza) resistance at the interface between graphene or another single-layer two-dimensional (2D) crystal (e.g. MoS) and a flat…
The Critical Role of Substrate in Stabilizing Phosphorene Nanoflake: A Theoretical Exploration
Junfeng Gao, Gang Zhang, Yong-Wei Zhang
Phosphorene, a new two-dimensional (2D) semiconductor, has received much interest due to its robust direct band gap and high charge mobility. Currently, however, phosphorene can on…
Highly Itinerant Atomic Vacancies in Phosphorene
Yongqing Cai, Qingqing Ke, Gang Zhang +2
Using detailed first-principles calculations, we investigate the hopping rate of vacancies in phosphorene, an emerging elemental 2D material besides graphene. Our work predicts tha…
Quantum thermal transport in stanene
Hangbo Zhou, Yongqing Cai, Gang Zhang +1
By way of the non-equilibrium Green's function simulations and analytical expressions, the quantum thermal conductance of stanene is studied. We find that, due to the existence of…