mp-557012/Li3ScB2O6/anharm

Harmonic properties

../../_images/fig_bandos_pr8351.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo8351.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3405.png

(a) Grüneisen parameters

../../_images/fig_gruneisen3405.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 15x12x8, supercell: 2x2x1

../../_images/fig_kappa6439.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3448.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime3373.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3372.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3373.png

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

../../_images/fig_cumu_mfp3372.png

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

Force constants

../../_images/fig_fc28113.png

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

Summary

../../_images/fig_kappa6440.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times14669.png

(b) Computation time