mp-1096795-2/YAgS2/anharm

Equation of state

../../_images/fig_bm7747.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr16710.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos21054.png

(b) Phonon dispersion and DOS

../../_images/fig_thermo16709.png

(c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all7275.png

(a) Grüneisen parameters

../../_images/fig_gruneisen7275.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 4x4x1 — q-mesh: 15x15x15, supercell: 4x4x1

../../_images/fig_kappa13719.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size7361.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime7209.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates7208.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency7209.png

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

../../_images/fig_cumu_mfp7208.png

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

Force constants

../../_images/fig_fc216279.png

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

Summary

../../_images/fig_times27294.png

(a) Computation time