mp-3432/ScNiSb/anharm

Harmonic properties

../../_images/fig_bandos_pr10920.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo10920.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4465.png

(a) Grüneisen parameters

../../_images/fig_gruneisen4465.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon — q-mesh: 18x18x18, supercell: 2x2x2

../../_images/fig_kappa8436.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4520.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime4422.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4421.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4422.png

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

../../_images/fig_cumu_mfp4421.png

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

Force constants

../../_images/fig_fc3275.png

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

Summary

../../_images/fig_kappa8437.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times18668.png

(b) Computation time