mp-1079694/CsI/anharm

Space group: Cmcm (63)
Link: Materials Project
Download: mp-1079694.tar.gz

Harmonic properties

../../_images/fig_bandos_pr16950.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo16949.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all7424.png — (a) Grüneisen parameters

../../_images/fig_gruneisen7424.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 11x15x5, supercell: 4x4x1

../../_images/fig_kappa14001.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size7511.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime7357.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates7356.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency7357.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp7356.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc216502.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa14002.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times27631.png — (b) Computation time