mp-559400/BeF2/anharm

Space group: R-3m (166)
Link: Materials Project
Download: mp-559400.tar.gz

Harmonic properties

../../_images/fig_bandos_pr7923.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo7923.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3280.png — (a) Grüneisen parameters

../../_images/fig_gruneisen3280.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 8x8x8, supercell: 1x1x1

../../_images/fig_kappa6213.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3323.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime3252.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3251.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3252.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp3251.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc27685.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa6214.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times13963.png — (b) Computation time