mp-13820-2/Cd3SiO5/anharm

Equation of state

../../_images/fig_bm7510.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr14972.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo14971.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6426.png

(a) Grüneisen parameters

../../_images/fig_gruneisen6426.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x10x14, supercell: 2x2x2

../../_images/fig_kappa12084.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6503.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime6360.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6359.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6360.png

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

../../_images/fig_cumu_mfp6359.png

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

Force constants

../../_images/fig_fc214589.png

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

Summary

../../_images/fig_kappa12085.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times24806.png

(b) Computation time