mp-1190141/Na2TeS3/anharm

Space group: P2_1/c (14)
Link: Materials Project
Download: mp-1190141.tar.gz

Harmonic properties

../../_images/fig_bandos_pr15958.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo15957.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6922.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6922.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 12x5x8, supercell: 3x1x2

../../_images/fig_kappa13033.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size7003.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6856.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6855.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6856.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6855.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc215553.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa13034.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times26278.png — (b) Computation time