mp-2691/CdSe/anharm

Harmonic properties

../../_images/fig_bandos_pr13245.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo13245.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5558.png

(a) Grüneisen parameters

../../_images/fig_gruneisen5558.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

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

../../_images/fig_kappa10439.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5622.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime5503.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5502.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5503.png

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

../../_images/fig_cumu_mfp5502.png

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

Force constants

../../_images/fig_fc3354.png

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

Summary

../../_images/fig_kappa10440.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times22346.png

(b) Computation time