mp-1188687/Ba2P7I/anharm

Space group: P2_1/m (11)
Link: Materials Project
Download: mp-1188687.tar.gz

Harmonic properties

../../_images/fig_bandos_pr16206.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo16205.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all7043.png — (a) Grüneisen parameters

../../_images/fig_gruneisen7043.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 11x10x5, supercell: 2x2x1

../../_images/fig_kappa13266.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size7125.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6977.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6976.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6977.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6976.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc215799.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa13267.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times26682.png — (b) Computation time