mp-555740/SiO2/anharm

Space group: Ia-3 (206)
Link: Materials Project
Download: mp-555740.tar.gz

Harmonic properties

../../_images/fig_bandos_pr8663.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo8663.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3507.png — (a) Grüneisen parameters

../../_images/fig_gruneisen3507.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x10x10, supercell: 1x1x1

../../_images/fig_kappa6633.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3551.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime3474.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3473.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3474.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp3473.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc28424.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa6634.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times15183.png — (b) Computation time