mp-30077/K2GaSb2/anharm

Space group: Pnma (62)
Link: Materials Project
Download: mp-30077.tar.gz

Harmonic properties

../../_images/fig_bandos_pr11075.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo11075.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4559.png — (a) Grüneisen parameters

../../_images/fig_gruneisen4559.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 4x6x7, supercell: 1x1x2

../../_images/fig_kappa8603.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4614.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime4515.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4514.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4515.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp4514.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc210797.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa8604.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times18914.png — (b) Computation time