mp-4790/ThGeO4/anharm

Space group: I4_1/amd (141)
Link: Materials Project
Download: mp-4790.tar.gz

Harmonic properties

../../_images/fig_bandos_pr10141.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo10141.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4086.png — (a) Grüneisen parameters

../../_images/fig_gruneisen4086.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 12x12x12, supercell: 1x1x2

../../_images/fig_kappa7705.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4141.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime4048.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4047.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4048.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp4047.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc29893.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa7706.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times17579.png — (b) Computation time