mp-1205338/Ca3Al2As4/anharm

Space group: C2/c (15)
Link: Materials Project
Download: mp-1205338.tar.gz

Harmonic properties

../../_images/fig_bandos_pr15397.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo15396.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6664.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6664.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 8x8x11, supercell: 1x2x2

../../_images/fig_kappa12550.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6742.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6598.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6597.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6598.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6597.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc215000.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa12551.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times25465.png — (b) Computation time