mp-16861/Na5GeAs3/anharm

Space group: P2_1/c (14)
Link: Materials Project
Download: mp-16861.tar.gz

Harmonic properties

../../_images/fig_bandos_pr14111.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo14111.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5987.png — (a) Grüneisen parameters

../../_images/fig_gruneisen5987.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 9x10x4, supercell: 2x2x1

../../_images/fig_kappa11272.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6066.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5930.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5929.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5930.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5929.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc213739.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa11273.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times23605.png — (b) Computation time