mp-29349-2/HSN/anharm

Equation of state

../../_images/fig_bm5451.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr11155.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos15116.png

(b) Phonon dispersion and DOS

../../_images/fig_thermo11155.png

(c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4597.png

(a) Grüneisen parameters

../../_images/fig_gruneisen4597.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x1x2 — q-mesh: 9x5x10, supercell: 2x1x2

../../_images/fig_kappa8679.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4654.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime4553.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4552.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4553.png

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

../../_images/fig_cumu_mfp4552.png

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

Force constants

../../_images/fig_fc210872.png

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

Summary

../../_images/fig_times19067.png

(a) Computation time