mp-24504-2/H2/anharm

Equation of state

../../_images/fig_bm6162.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr12431.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo12431.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5165.png

(a) Grüneisen parameters

../../_images/fig_gruneisen5165.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 23x23x16, supercell: 3x3x3

../../_images/fig_kappa9714.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5225.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime5114.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5113.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5114.png

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

../../_images/fig_cumu_mfp5113.png

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

Force constants

../../_images/fig_fc212130.png

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

Summary

../../_images/fig_kappa9715.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times21124.png

(b) Computation time