mp-10835/RbSm2CuS4/anharm

Harmonic properties

../../_images/fig_bandos_pr664.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo664.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all438.png

(a) Grüneisen parameters

../../_images/fig_gruneisen438.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 12x12x6, supercell: 4x1x1

../../_images/fig_kappa852.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size445.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime436.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates435.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency436.png

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

../../_images/fig_cumu_mfp436.png

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

Force constants

../../_images/fig_fc2575.png

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

Summary

../../_images/fig_kappa853.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times961.png

(b) Computation time