mp-9562/LiBeAs/anharm

Space group: P4/nmm (129)
Link: Materials Project
Download: mp-9562.tar.gz

Harmonic properties

../../_images/fig_bandos_pr1149.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo1149.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all704.png — (a) Grüneisen parameters

../../_images/fig_gruneisen704.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 19x19x11, supercell: 3x3x2

../../_images/fig_kappa1374.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size713.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime702.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates701.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency702.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp702.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc21015.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa1375.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times1725.png — (b) Computation time