mp-766303/Ba2Ca7I18/anharm

Space group: P-1 (2)
Link: Materials Project
Download: mp-766303.tar.gz

Harmonic properties

../../_images/fig_bandos_pr2757.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo2757.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1373.png — (a) Grüneisen parameters

../../_images/fig_gruneisen1373.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 7x6x6, supercell: 2x2x1

../../_images/fig_kappa2647.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1389.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime1363.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1362.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1363.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp1363.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc22578.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa2648.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times4618.png — (b) Computation time