mp-14827/Li7NbN4/anharm

Space group: Pa-3 (205)
Link: Materials Project
Download: mp-14827.tar.gz

Harmonic properties

../../_images/fig_bandos_pr14534.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo14534.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6226.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6226.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 7x7x7, supercell: 1x1x1

../../_images/fig_kappa11715.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6304.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6165.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6164.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6165.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6164.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc214153.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa11716.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times24193.png — (b) Computation time