mp-758272-2/Zr4N2O5/anharm

Equation of state

../../_images/fig_bm1504.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr3242.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo3242.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1488.png

(a) Grüneisen parameters

../../_images/fig_gruneisen1488.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 8x8x8, supercell: 1x1x1

../../_images/fig_kappa2862.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1505.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime1478.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1477.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1478.png

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

../../_images/fig_cumu_mfp1478.png

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

Force constants

../../_images/fig_fc23061.png

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

Summary

../../_images/fig_kappa2863.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times5615.png

(b) Computation time