mp-28608-2/Ga3Te3I/anharm

Equation of state

../../_images/fig_bm5647.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr11563.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos15565.png

(b) Phonon dispersion and DOS

../../_images/fig_thermo11563.png

(c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4808.png

(a) Grüneisen parameters

../../_images/fig_gruneisen4808.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x3x1 — q-mesh: 6x17x3, supercell: 2x3x1

../../_images/fig_kappa9071.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4866.png

(b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime4762.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4761.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4762.png

(a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp4761.png

(b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc211276.png

(a) Force constants w.r.t atomic distance

Summary

../../_images/fig_times19693.png

(a) Computation time