mp-1189644-2/PrLu3S6/anharm

Equation of state

../../_images/fig_bm7696.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr15929.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos20343.png

(b) Phonon dispersion and DOS

../../_images/fig_thermo15928.png

(c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6903.png

(a) Grüneisen parameters

../../_images/fig_gruneisen6903.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 6x18x6, supercell: 2x3x1

../../_images/fig_kappa12996.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6983.png

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

3-phonon (LASSO), supercell 2x3x2 — q-mesh: 6x18x6, supercell: 2x3x2

../../_images/fig_kappa12997.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6984.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime6837.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6836.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6837.png

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

../../_images/fig_cumu_mfp6836.png

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

Force constants

../../_images/fig_fc215524.png

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

Summary

../../_images/fig_kappa12998.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times26239.png

(b) Computation time