mp-18196/BaTm2Te4/anharm

Space group: Pnma (62)
Link: Materials Project
Download: mp-18196.tar.gz

Harmonic properties

../../_images/fig_bandos_pr13806.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo13806.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5819.png — (a) Grüneisen parameters

../../_images/fig_gruneisen5819.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 5x16x4, supercell: 1x4x1

../../_images/fig_kappa10943.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5891.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5763.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5762.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5763.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5762.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc213434.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa10944.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times23153.png — (b) Computation time