mp-6586-2/K2NaAlF6/anharm

Space group: Fm-3m (225)
Link: Materials Project
Download: mp-6586-2.tar.gz

Equation of state

../../_images/fig_bm3433.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr6478.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo6478.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2645.png — (a) Grüneisen parameters

../../_images/fig_gruneisen2645.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 14x14x14, supercell: 1x1x1

../../_images/fig_kappa5028.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2681.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime2622.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2621.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2622.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp2621.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc26268.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa5029.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times11648.png — (b) Computation time