mp-581376-2/Tl3Ag3Sb2S6/anharm

Equation of state

../../_images/fig_bm3623.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr6767.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos9723.png

(b) Phonon dispersion and DOS

../../_images/fig_thermo6767.png

(c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2776.png

(a) Grüneisen parameters

../../_images/fig_gruneisen2776.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x2x1 — q-mesh: 6x6x6, supercell: 2x2x1

../../_images/fig_kappa5275.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2817.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime2752.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2751.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2752.png

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

../../_images/fig_cumu_mfp2751.png

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

Force constants

../../_images/fig_fc26554.png

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

Summary

../../_images/fig_times12152.png

(a) Computation time