mp-32755/La2Te3/anharm

Space group: I-42d (122)
Link: Materials Project
Download: mp-32755.tar.gz

Harmonic properties

../../_images/fig_bandos_pr10787.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo10787.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4401.png — (a) Grüneisen parameters

../../_images/fig_gruneisen4401.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 6x6x6, supercell: 1x1x1

../../_images/fig_kappa8311.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4454.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime4358.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4357.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4358.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp4357.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc210516.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa8312.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times18490.png — (b) Computation time