Energy coupling across low-dimensional contact interfaces at the atomic scale

Y Yue, J Zhang, Y Xie, W Chen, X Wang - International Journal of Heat and …, 2017 - Elsevier
The miniaturization in energy devices and their critical needs for heat dissipation have
facilitated research on exceptional thermal properties of novel low-dimensional materials …

Maximization and minimization of interfacial thermal conductance by modulating the mass distribution of the interlayer

L Yang, X Wan, D Ma, Y Jiang, N Yang - Physical Review B, 2021 - APS
Tuning interfacial thermal conductance has been a key task for the thermal management of
nanoelectronic devices. Here, we study how the interfacial thermal conductance is greatly …

Nonequilibrium Green's functions (NEGF) in vibrational energy transport: A topical review

CA Polanco - Nanoscale and Microscale Thermophysical …, 2021 - Taylor & Francis
Recent advances in fabrication techniques have enabled the development of materials
sculpted at the nanoscale (~ 10 nm). These “nano-materials” could revolutionize thermal …

Phonon thermal conductance across GaN-AlN interfaces from first principles

CA Polanco, L Lindsay - Physical Review B, 2019 - APS
The vibrational thermal conductances (G) across GaN-AlN interfaces are computed using a
nonequilibrium Green's function formalism in the harmonic limit with bulk and interfacial …

Acoustic transparency of the chain-chain interface

VA Kuzkin - Physical Review E, 2023 - APS
We study propagation of wave packets through the interface between two dissimilar
harmonic chains with on-site potentials (eg, chains lying on elastic foundations). An …

Design rules for interfacial thermal conductance: Building better bridges

CA Polanco, R Rastgarkafshgarkolaei, J Zhang, NQ Le… - Physical Review B, 2017 - APS
We study the thermal conductance across solid-solid interfaces as the composition of an
intermediate matching layer is varied. In the absence of phonon-phonon interactions, an …

Maximization of thermal conductance at interfaces via exponentially mass-graded interlayers

R Rastgarkafshgarkolaei, J Zhang, CA Polanco, NQ Le… - Nanoscale, 2019 - pubs.rsc.org
We propose a strategy to potentially best enhance interfacial thermal transport through solid–
solid interfaces by adding nano-engineered, exponentially mass-graded intermediate …

Machine learned interatomic potentials for modeling interfacial heat transport in Ge/GaAs

S Wyant, A Rohskopf, A Henry - Computational Materials Science, 2021 - Elsevier
Molecular dynamics simulations provide a versatile framework to study interfacial heat
transport, but their accuracy remains limited by the accuracy of available interatomic …

Non-stationary elastic wave scattering and energy transport in a one-dimensional harmonic chain with an isotopic defect

SN Gavrilov, EV Shishkina - Continuum Mechanics and Thermodynamics, 2024 - Springer
The fundamental solution describing non-stationary elastic wave scattering on an isotopic
defect in a one-dimensional harmonic chain is obtained in an asymptotic form. The chain is …

Role of crystal structure and junction morphology on interface thermal conductance

CA Polanco, R Rastgarkafshgarkolaei, J Zhang, NQ Le… - Physical Review B, 2015 - APS
We argue that the relative thermal conductance between interfaces with different
morphologies is controlled by crystal structure through M min/M c> 1, the ratio between the …