Being able to incorporate four-phonon data into calculations will help researchers develop new materials. Materials that have ultrahigh thermal conductivity are ideal for heat sinks, while those ...

Recent studies have suggested that surface phonon polaritons (SPhPs) – quasiparticles that arise from the coupling between phonons and photons – could enhance thermal conductivity in certain materials ...

When these phonons are involved for phonon transport (i.e. at not extremely low temperatures), Debye dispersion leads to an overestimation of lattice thermal conductivity due to the overestimation ...

A recent article published in npj Computational Materials explored the phenomenon of phonon funneling to improve the thermal conductivity of semiconductor thin films through systematic atomistic ...

This phenomenon, known as phonon avoided crossing, dramatically slowed down how heat travels through the material. Thanks to this effect, the material's thermal conductivity dropped to extremely ...

Being able to incorporate four-phonon data into calculations will help researchers develop new materials. Materials that have ultrahigh thermal conductivity are ideal for heat sinks, while those with ...

Zherui Han has posted his four-phonon thermal conductivity solver on GitHub, and published a paper describing the software's usage. Any heat transfer scientist is welcome to use the software to ...

Indeed, they found that the phasons’ contribution to the material’s thermal conductivity is about 2.5 times greater than that of phonons at room temperature. The team found that the phason mean free ...

Being able to incorporate four-phonon data into calculations will help researchers develop new materials. Materials that have ultrahigh thermal conductivity are ideal for heat sinks, while those with ...

This study demonstrated that nanoscale boundary scattering could increase the phonon thermal conductivity in thin films, surpassing the limitations of traditional macroscale heat diffusion. Energy ...