mp-1821/WSe2/anharm

Space group: P6_3/mmc (194)
Link: Materials Project
Download: mp-1821.tar.gz

Harmonic properties

../../_images/fig_bandos_pr226.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo226.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all146.png — (a) Grüneisen parameters

../../_images/fig_gruneisen146.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 23x23x5, supercell: 5x5x1

../../_images/fig_kappa283.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size147.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime145.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates144.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency145.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp145.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc2203.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa284.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times372.png — (b) Computation time