mp-27626/Ge19As4I4/anharm

Space group: P-43n (218)
Link: Materials Project
Download: mp-27626.tar.gz

Harmonic properties

../../_images/fig_bandos_pr12165.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo12165.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5077.png — (a) Grüneisen parameters

../../_images/fig_gruneisen5077.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 6x6x6, supercell: 1x1x1

../../_images/fig_kappa9556.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5137.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5027.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5026.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5027.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5026.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc211866.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa9557.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times20613.png — (b) Computation time