mp-8719/K2MnTe2/anharm

Space group: Ibam (72)
Link: Materials Project
Download: mp-8719.tar.gz

Harmonic properties

../../_images/fig_bandos_pr1899.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo1899.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1078.png — (a) Grüneisen parameters

../../_images/fig_gruneisen1078.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x10x10, supercell: 2x1x3

../../_images/fig_kappa2079.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1089.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime1069.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1068.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1069.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp1069.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc21722.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa2080.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times2890.png — (b) Computation time