ArticleNature communications2021
Exposing the hidden influence of selection rules on phonon-phonon scattering by pressure and temperature tuning.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Mode-Resolved Phonon Dynamics Under Chemical Pressure in SnTe Thermoelectrics.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Electrically-driven reversible phonon transport manipulation in two-dimensional heterostructures.Nature communications · 2025Article
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Authors and funding
2 authors.
Funding
Abstract
Selection rules act to restrict the intrinsic anharmonic interactions between phonons in all crystals. Yet their influence on phonon propagation is hidden in most materials and so, hard to interrogate experimentally. Using ab initio calculations, we show that the otherwise invisible impact of selection rules on three-phonon scattering can be exposed through anomalous signatures in the pressure (P) and temperature (T) dependence of the thermal conductivities, κ, of certain compounds. Boron phosphide reveals such underlying behavior through an exceptionally sharp initial rise in κ with increasing P, which may be the steepest of any material, and also a peak and decrease in κ at high P. These features are in stark contrast to the measured behavior for many solids, and they occur at experimentally accessible conditions. These findings give a deep understanding of phonon lifetimes and heat conduction in solids, and motivate experimental efforts to observe the predicted behavior.
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Registered trials
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