mp-12343-2/CsSmZnTe3/anharm

Equation of state

../../_images/fig_bm7624.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr15610.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo15609.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6744.png

(a) Grüneisen parameters

../../_images/fig_gruneisen6744.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x10x7, supercell: 3x1x2

../../_images/fig_kappa12700.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6824.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime6678.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6677.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6678.png

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

../../_images/fig_cumu_mfp6677.png

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

Force constants

../../_images/fig_fc215205.png

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

Summary

../../_images/fig_kappa12701.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times25776.png

(b) Computation time