mp-15668/NaSe/anharm

Space group: P6_3/mmc (194)
Link: Materials Project
Download: mp-15668.tar.gz

Harmonic properties

../../_images/fig_bandos_pr14307.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo14307.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6093.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6093.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 16x16x7, supercell: 3x3x2

../../_images/fig_kappa11461.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6171.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6032.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6031.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6032.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6031.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc213935.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa11462.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times23889.png — (b) Computation time