mp-10547-2/RbAuO/anharm

Equation of state

../../_images/fig_bm208.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr605.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo605.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all394.png

(a) Grüneisen parameters

../../_images/fig_gruneisen394.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x10x10, supercell: 1x1x2

../../_images/fig_kappa767.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size400.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime392.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates391.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency392.png

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

../../_images/fig_cumu_mfp392.png

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

Force constants

../../_images/fig_fc2522.png

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

Summary

../../_images/fig_kappa768.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times888.png

(b) Computation time