9 citations · 33 across the 8 of their papers we have counts for
5 papers · 1 filter
Diffusive versus displacive contact plasticity of nanoscale asperities: Temperature- and velocity-dependent strongest size
Wei Guo, Zhao Wang, Ju Li
We predict a strongest size for the contact strength when asperity radii of curvature decrease below ten nanometers. The reason for such strongest size is found to be correlated wi…
Mechanisms governing phonon scattering by topological defects in graphene nanoribbons
Ziming Zhu, Xiaolong Yang, Mingyuan Huang +3
Understanding phonon scattering by topological defects in graphene is of particular interest for thermal management in graphene-based devices. We present a study that quantifies th…
Optimizing phonon scattering by nanoprecipitates in lead chalcogenides
Xiaolong Yang, Jesús Carrete, Zhao Wang
We calculate the thermal conductivity of PbTe and PbS with seven different types of nanoprecipitates using an ab-initio-based Boltzmann transport approach. We find that precipitate…
Atomistic mechanisms governing structural stability change of zinc antimony thermoelectrics
Xiaolong Yang, Jianping Lin, Guanjun Qiao +1
The structural stability of thermoelectric materials is a subject of growing importance for their energy harvesting applications. Here, we study the microscopic mechanisms governin…
Role of force-constant difference in phonon scattering by nano-precipitates in PbTe
Xiaolong Yang, Jesús Carrete, Zhao Wang
We study the effect of nanoscale precipitates on lattice thermal conduction in thermoelectric PbTe using a combination of ab-initio phonon calculations and molecular dynamics. We t…