mp-7937/NaNbS2/anharm

Space group: P6_3/mmc (194)
Link: Materials Project
Download: mp-7937.tar.gz

Harmonic properties

../../_images/fig_bandos_pr4383.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo4383.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1880.png — (a) Grüneisen parameters

../../_images/fig_gruneisen1880.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 22x22x5, supercell: 4x4x1

../../_images/fig_kappa3602.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1908.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime1870.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1869.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1870.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp1870.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc24196.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa3603.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times7805.png — (b) Computation time