mp-758984-2/BPH9C2/anharm

Equation of state

../../_images/fig_bm1315.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr3022.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos3872.png

(b) Phonon dispersion and DOS

../../_images/fig_thermo3022.png

(c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1448.png

(a) Grüneisen parameters

../../_images/fig_gruneisen1448.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x2x1 — q-mesh: 11x9x6, supercell: 2x2x1

../../_images/fig_kappa2794.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1464.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime1438.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1437.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1438.png

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

../../_images/fig_cumu_mfp1438.png

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

Force constants

../../_images/fig_fc22842.png

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

Summary

../../_images/fig_times5174.png

(a) Computation time