mp-16691-2/SrLi2Ti6O14/anharm

Equation of state

../../_images/fig_bm7227.png

(a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr14468.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo14468.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6188.png

(a) Grüneisen parameters

../../_images/fig_gruneisen6188.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 7x7x6, supercell: 1x1x1

../../_images/fig_kappa11642.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6266.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime6127.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6126.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6127.png

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

../../_images/fig_cumu_mfp6126.png

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

Force constants

../../_images/fig_fc214088.png

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

Summary

../../_images/fig_kappa11643.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times24090.png

(b) Computation time