mp-1228367/Ba2IBrF2/anharm

Space group: P4mm (99)
Link: Materials Project
Download: mp-1228367.tar.gz

Harmonic properties

../../_images/fig_bandos_pr15142.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo15141.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6500.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6500.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 15x15x9, supercell: 3x3x2

../../_images/fig_kappa12230.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6577.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6434.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6433.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6434.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6433.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc214757.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa12231.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times25058.png — (b) Computation time