mp-27532-2/SiPb2Se4/anharm

Space group: P2_1/c (14)
Link: Materials Project
Download: mp-27532-2.tar.gz

Equation of state

../../_images/fig_bm5949.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr12130.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos16231.png — (b) Phonon dispersion and DOS

../../_images/fig_thermo12130.png — (c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5064.png — (a) Grüneisen parameters

../../_images/fig_gruneisen5064.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x2x2 — q-mesh: 8x10x5, supercell: 2x2x2

../../_images/fig_kappa9533.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5124.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5014.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5013.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5014.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5013.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc211831.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_times20558.png — (a) Computation time