mp-7974-2/RbSmO2/anharm

Equation of state

../../_images/fig_bm2203.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr4405.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo4405.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1898.png

(a) Grüneisen parameters

../../_images/fig_gruneisen1898.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 17x17x17, supercell: 3x3x1

../../_images/fig_kappa3635.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1925.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime1887.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1886.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1887.png

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

../../_images/fig_cumu_mfp1887.png

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

Force constants

../../_images/fig_fc24218.png

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

Summary

../../_images/fig_kappa3636.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times7831.png

(b) Computation time