mp-2534/GaAs/anharm

Space group: F-43m (216)
Link: Materials Project
Download: mp-2534.tar.gz

Harmonic properties

../../_images/fig_bandos_pr13222.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo13222.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5540.png — (a) Grüneisen parameters

../../_images/fig_gruneisen5540.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon — q-mesh: 20x20x20, supercell: 2x2x2

../../_images/fig_kappa10405.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5605.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5486.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5485.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5486.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5485.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc3349.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa10406.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times22314.png — (b) Computation time