mp-149/Si/anharm

Space group: Fd-3m (227)
Link: Materials Project
Download: mp-149.tar.gz

Equation of state

../../_images/fig_bm76.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr322.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo322.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all222.png — (a) Grüneisen parameters

../../_images/fig_gruneisen222.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon — q-mesh: 21x21x21, supercell: 2x2x2

../../_images/fig_kappa436.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size225.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime221.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates220.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency221.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp221.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc354.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa437.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times524.png — (b) Computation time