mp-624190/GePbS3/anharm

Space group: P2_1/c (14)
Link: Materials Project
Download: mp-624190.tar.gz

Harmonic properties

../../_images/fig_bandos_pr5840.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo5840.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2405.png — (a) Grüneisen parameters

../../_images/fig_gruneisen2405.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x7x10, supercell: 2x1x2

../../_images/fig_kappa4581.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2436.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime2389.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2388.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2389.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp2389.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc25636.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa4582.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times10644.png — (b) Computation time