mp-18062-2/Na10YbSn12/anharm

Equation of state

../../_images/fig_bm6875.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr13762.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo13762.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5800.png

(a) Grüneisen parameters

../../_images/fig_gruneisen5800.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 8x8x8, supercell: 1x1x1

../../_images/fig_kappa10905.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5870.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime5744.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5743.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5744.png

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

../../_images/fig_cumu_mfp5743.png

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

Force constants

../../_images/fig_fc213390.png

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

Summary

../../_images/fig_kappa10906.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times23081.png

(b) Computation time