mp-567949/Hg3AsSe4Br/anharm

Space group: P6_3mc (186)
Link: Materials Project
Download: mp-567949.tar.gz

Harmonic properties

../../_images/fig_bandos_pr7229.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo7229.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3037.png — (a) Grüneisen parameters

../../_images/fig_gruneisen3037.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 9x9x8, supercell: 2x2x2

../../_images/fig_kappa5753.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3080.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime3012.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3011.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3012.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp3011.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc26996.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa5754.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times12852.png — (b) Computation time