mp-14680/Sr2Ga2S5/anharm

Space group: Pbca (61)
Link: Materials Project
Download: mp-14680.tar.gz

Equation of state

../../_images/fig_bm7261.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr14515.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo14515.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6217.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6217.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 6x5x6, supercell: 2x1x1

../../_images/fig_kappa11697.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6295.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6156.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6155.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6156.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6155.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc214134.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa11698.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times24166.png — (b) Computation time