mp-28989/Li10BrN3/anharm

Harmonic properties

../../_images/fig_bandos_pr11348.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo11348.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4692.png

(a) Grüneisen parameters

../../_images/fig_gruneisen4692.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x10x19, supercell: 2x2x2

../../_images/fig_kappa8857.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4751.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime4648.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4647.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4648.png

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

../../_images/fig_cumu_mfp4647.png

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

Force constants

../../_images/fig_fc211064.png

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

Summary

../../_images/fig_kappa8858.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times19371.png

(b) Computation time