mp-570545-2/Cs2ZnFeC6N6/anharm

Equation of state

../../_images/fig_bm3649.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr6822.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos9787.png

(b) Phonon dispersion and DOS

../../_images/fig_thermo6822.png

(c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2807.png

(a) Grüneisen parameters

../../_images/fig_gruneisen2807.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x2x2 — q-mesh: 11x11x11, supercell: 2x2x2

../../_images/fig_kappa5332.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2848.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime2783.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2782.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2783.png

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

../../_images/fig_cumu_mfp2782.png

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

Force constants

../../_images/fig_fc26607.png

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

Summary

../../_images/fig_times12243.png

(a) Computation time