mp-29370-2/Na3BP2/anharm

Equation of state

../../_images/fig_bm5459.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr11165.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos15134.png

(b) Phonon dispersion and DOS

../../_images/fig_thermo11165.png

(c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4601.png

(a) Grüneisen parameters

../../_images/fig_gruneisen4601.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x2x2 — q-mesh: 10x7x8, supercell: 2x2x2

../../_images/fig_kappa8685.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4658.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime4557.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4556.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4557.png

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

../../_images/fig_cumu_mfp4556.png

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

Force constants

../../_images/fig_fc210882.png

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

Summary

../../_images/fig_times19087.png

(a) Computation time