mp-755043/Al2Si2O7/anharm

Space group: C2/c (15)
Link: Materials Project
Download: mp-755043.tar.gz

Harmonic properties

../../_images/fig_bandos_pr3640.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo3640.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1632.png — (a) Grüneisen parameters

../../_images/fig_gruneisen1632.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 14x14x7, supercell: 2x1x1

../../_images/fig_kappa3139.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1654.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime1622.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1621.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1622.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp1622.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc23457.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa3140.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times6331.png — (b) Computation time