mp-29377/K5GaSe4/anharm

Space group: Pbca (61)
Link: Materials Project
Download: mp-29377.tar.gz

Harmonic properties

../../_images/fig_bandos_pr11170.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo11170.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4605.png — (a) Grüneisen parameters

../../_images/fig_gruneisen4605.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 5x5x4, supercell: 1x1x1

../../_images/fig_kappa8692.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4662.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime4561.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4560.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4561.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp4560.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc210887.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa8693.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times19093.png — (b) Computation time