ArticleNature communications2024
Defect scattering can lead to enhanced phonon transport at nanoscale.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Interfaces and Transport Phenomena in Materials Under Extreme Conditions.Materials (Basel, Switzerland) · 2026Article
- Radiation-induced thermal conductivity degradation in LiAlOScientific reports · 2026Article
- Quantum Transport and Molecular Sensing in Reduced Graphene Oxide Measured with Scanning Probe Microscopy.Molecules (Basel, Switzerland) · 2025Article
- Investigating Helium-Induced Thermal Conductivity Degradation in Fusion-Relevant Copper: A Molecular Dynamics Approach.Materials (Basel, Switzerland) · 2025Article
- Direct Observation of Substantial Phonon Nonequilibrium Near Nanoscale Hotspots in Gallium Nitride.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Electrically-driven reversible phonon transport manipulation in two-dimensional heterostructures.Nature communications · 2025Article
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Authors and funding
4 authors.
Funding
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Abstract
Defect scattering is well known to suppress thermal transport. In this study, however, we perform both molecular dynamics and Boltzmann transport equation calculations, to demonstrate that introducing defect scattering in nanoscale heating zone could surprisingly enhance thermal conductance of the system by up to 75%. We further reveal that the heating zone without defects yields directional nonequilibrium with overpopulated oblique-propagating phonons which suppress thermal transport, while introducing defects redirect phonons randomly to restore directional equilibrium, thereby enhancing thermal conductance. We demonstrate that defect scattering can enable such thermal transport enhancement in a wide range of temperatures, materials, and sizes, and offer an unconventional strategy for enhancing thermal transport via the manipulation of phonon directional nonequilibrium.
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Registered trials
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