mp-573763/Cs2Te/anharm

Space group: Pnma (62)
Link: Materials Project
Download: mp-573763.tar.gz

Harmonic properties

../../_images/fig_bandos_pr6723.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo6723.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2753.png — (a) Grüneisen parameters

../../_images/fig_gruneisen2753.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 7x12x6, supercell: 2x3x2

../../_images/fig_kappa5233.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2794.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime2729.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2728.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2729.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp2728.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc26512.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa5234.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times12076.png — (b) Computation time