mp-559882/HgCSNCl/anharm

Harmonic properties

../../_images/fig_bandos_pr7696.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo7696.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3218.png

(a) Grüneisen parameters

../../_images/fig_gruneisen3218.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 6x17x7, supercell: 1x3x2

../../_images/fig_kappa6095.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3260.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime3190.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3189.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3190.png

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

../../_images/fig_cumu_mfp3189.png

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

Force constants

../../_images/fig_fc27459.png

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

Summary

../../_images/fig_kappa6096.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times13595.png

(b) Computation time