mp-9666/K2NaGaP2/anharm

Space group: Ibam (72)
Link: Materials Project
Download: mp-9666.tar.gz

Harmonic properties

../../_images/fig_bandos_pr1182.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo1182.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all733.png — (a) Grüneisen parameters

../../_images/fig_gruneisen733.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x10x10, supercell: 2x1x3

../../_images/fig_kappa1431.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size742.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime730.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates729.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency730.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp730.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc21048.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa1432.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times1774.png — (b) Computation time