mp-559691/Ca2Al2SiO7/anharm

Space group: P-42_1m (113)
Link: Materials Project
Download: mp-559691.tar.gz

Harmonic properties

../../_images/fig_bandos_pr7656.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo7656.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3206.png — (a) Grüneisen parameters

../../_images/fig_gruneisen3206.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 9x9x14, supercell: 1x1x2

../../_images/fig_kappa6071.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3247.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime3178.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3177.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3178.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp3177.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc27419.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa6072.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times13525.png — (b) Computation time