mp-541707/K6Na3AlSb4/anharm

Space group: P6_3/mmc (194)
Link: Materials Project
Download: mp-541707.tar.gz

Harmonic properties

../../_images/fig_bandos_pr9548.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo9548.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3807.png — (a) Grüneisen parameters

../../_images/fig_gruneisen3807.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 7x7x7, supercell: 2x2x1

../../_images/fig_kappa7180.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3856.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime3772.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3771.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3772.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp3771.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc29309.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa7181.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times16616.png — (b) Computation time