mp-560370/GePb2S4/anharm

Space group: P2_1/c (14)
Link: Materials Project
Download: mp-560370.tar.gz

Harmonic properties

../../_images/fig_bandos_pr7477.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo7477.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3134.png — (a) Grüneisen parameters

../../_images/fig_gruneisen3134.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 9x8x6, supercell: 2x2x1

../../_images/fig_kappa5935.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3175.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime3106.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3105.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3106.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp3105.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc27241.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa5936.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times13248.png — (b) Computation time