mp-6124/NaAlSi2O6/anharm

Equation of state

../../_images/fig_bm3549.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr6646.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo6646.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2708.png

(a) Grüneisen parameters

../../_images/fig_gruneisen2708.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 11x11x13, supercell: 1x1x2

../../_images/fig_kappa5148.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2747.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime2684.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2683.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2684.png

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

../../_images/fig_cumu_mfp2683.png

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

Force constants

../../_images/fig_fc26436.png

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

Summary

../../_images/fig_kappa5149.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times11913.png

(b) Computation time