mp-10101/CsAgC2/anharm

Harmonic properties

../../_images/fig_bandos_pr506.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo506.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all341.png

(a) Grüneisen parameters

../../_images/fig_gruneisen341.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 13x13x8, supercell: 3x3x2

../../_images/fig_kappa659.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size343.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime339.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates338.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency339.png

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

../../_images/fig_cumu_mfp339.png

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

Force constants

../../_images/fig_fc2431.png

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

Summary

../../_images/fig_kappa660.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times761.png

(b) Computation time