mp-1006880/BiB/anharm

Harmonic properties

../../_images/fig_bandos_pr269.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo269.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all181.png

(a) Grüneisen parameters

../../_images/fig_gruneisen181.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon — q-mesh: 20x20x20, supercell: 2x2x2

../../_images/fig_kappa353.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size183.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime180.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates179.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency180.png

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

../../_images/fig_cumu_mfp180.png

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

Force constants

../../_images/fig_fc334.png

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

Summary

../../_images/fig_kappa354.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times440.png

(b) Computation time