mp-1104062/SrGa2Se4/anharm

Space group: Cccm (66)
Link: Materials Project
Download: mp-1104062.tar.gz

Harmonic properties

../../_images/fig_bandos_pr16602.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo16601.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all7209.png — (a) Grüneisen parameters

../../_images/fig_gruneisen7209.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 12x12x6, supercell: 2x2x1

../../_images/fig_kappa13594.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size7295.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime7143.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates7142.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency7143.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp7142.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc216175.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa13595.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times27154.png — (b) Computation time