103 citations · 399 across the 17 of their papers we have counts for
17 papers
Direct Observation of Tunable Thermal Conductance at Solid/porous Crystalline Solid Interfaces Induced by Water Adsorbents
Guang Wang, Hongzhao Fan, Jiawang Li +2
Improving interfacial thermal transport is crucial for heat dissipation in systems. Here, we design a strategy by utilizing the water adsorption-desorption process in porous metal-…
Interfacial Thermal Conductance Spectrum in Nonequilibrium Molecular Dynamics Simulations Considering Anharmonicity, Non-homogeneity and Quantum Effects
Yixin Xu, Lina Yang, Yanguang Zhou
Interfacial thermal transport is critical for many thermal-related applications such as heat dissipation in electronics. While the total interfacial thermal conductance (ITC) can b…
Quasilocalized Vibrational Modes as Efficient Heat Carriers in Glasses
Xing Xiang, Sylvain Patinet, Sebastian Volz +1
While soft quasilocalized vibrational modes are known to populate the low-frequency spectrum of glassy solids, their contribution to thermal properties is still not fully elucidate…
Quantitatively Predicting Modal Thermal Conductivity of Nanocrystalline Si by full band Monte Carlo simulations
Lina Yang, Yi Jiang, Yanguang Zhou
Thermal transport of nanocrystalline Si is of great importance for the application of thermoelectrics. A better understanding of the modal thermal conductivity of nanocrystalline S…
Phonon Scattering in the Complex Strain Field of a Dislocation
Yandong Sun, Yanguang Zhou, Ramya Gurunathan +5
Strain engineering is critical to the performance enhancement of electronic and thermoelectric devices because of its influence on the material thermal conductivity. However, curre…
How Thermal Annealing Process Determines the Inherent Structure Evolution in Amorphous Silicon: An Investigation from Atomistic Time Scales to Experimental Time Scales
Yanguang Zhou
The annealing treatment in the advanced manufacturing process, e.g., laser-assisted manufacturing, determines the final state of glasses which is critical to its thermal, electrica…
Probing the Phonon Mean Free Paths in Dislocation Core by Molecular Dynamics Simulation
Yandong Sun, Yanguang Zhou, Ming Hu +3
Thermal management is extremely important for designing high-performance devices. The lattice thermal conductivity of materials is strongly dependent on the structural defects at d…
The Origin of the Glass-like Thermal Conductivity in Crystalline Metal-Organic Frameworks
Yanguang Zhou, Yufei Gao, Sebastian Volz
It is textbookly regarded that phonons, i.e., an energy quantum of propagating lattice waves, are the main heat carriers in perfect crystals. As a result, in many crystals, e.g., b…
Quantifying Modal Thermal Conductivity in Amorphous Silicon
Yanguang Zhou
While there are several methods, e.g., anharmonic lattice dynamics and normal mode decomposition, to compute the modal lattice vibrational information in perfect crystals, the moda…
Thermal Transfer in Amorphous Superionic Systems
Yanguang Zhou, Sebastian Volz
Using direct atomic simulations, the vibration scattering time scales are characterized, and then the nature and the quantitative weight of thermal excitations are investigated in…
Strong phonon localization in PbTe with dislocations and large deviation to Matthiessen's rule
Yandong Sun, Yanguang Zhou, Jian Han +5
Dislocations can greatly enhance the figure of merit of thermoelectric materials by prominently reducing thermal conductivity. However, the evolution of phonon modes with different…
Atomistic Simulation of Phonon and Magnon Thermal Transport across the Ferro-Paramagnetic Transition
Yanguang Zhou, Julien Tranchida, Yijun Ge +2
A temperature-dependent approach involving Green-Kubo equilibrium atomic and spin dynamics (GKEASD) is reported to assess phonon and magnon thermal transport processes accounting f…
Decouple Electronic and Phononic Transport in Nanotwinned Structure: A New Strategy for Enhancing the Figure-of-merit of Thermoelectrics
Yanguang Zhou, Xiaojing Gong, Ben Xu +1
Thermoelectrics (TE) materials manifest themselves in direct conversion of temperature differences to electric power and vice versa. Despite remarkable advances have been achieved…
Quantitatively Analyzing Phonon Spectral Contribution of Thermal Conductivity Based on Non-Equilibrium Molecular Dynamics Simulation II: From Time Fourier Transform
Yanguang Zhou, Ming Hu
From nano-scale heat transfer point of view, currently one of the most interesting and challenging tasks is to quantitatively analyzing phonon mode specific transport properties in…
Quantitatively Analyzing Phonon Spectral Contribution of Thermal Conductivity Based on Non-Equilibrium Molecular Dynamics Simulation I: From Space Fourier Transform
Yanguang Zhou, Xiaoliang Zhang, Ming Hu
Probing detailed spectral dependence of phonon transport properties in bulk materials is critical to improve the function and performance of structures and devices in a diverse spe…
Mechanics of nanoscale wrinkling of graphene on a non-developable spherical surface
Yanguang Zhou, Yuli Chen, Bin Liu +4
The configuration of graphene (GE) sheet conforming to the spherical surface substrate is studied through theoretical model and molecular simulations. Two basic configurations are…
The typical manners of dynamic crack propagation along the metal/ceramics interfaces: A molecular dynamics study
Yanguang Zhou, Zhenyu Yang, Tao Wang +2
This letter addresses the issue of interfacial crack propagation mechanisms on various interfaces with using molecular dynamics. Four different interfacial crack propagation manner…