mp-1370955/K2Dy4Cu4S9/anharm

Space group: P-1 (2)
Link: Materials Project
Download: mp-1370955.tar.gz

Harmonic properties

../../_images/fig_bandos_pr15032.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo15031.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6461.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6461.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 18x10x4, supercell: 3x2x1

../../_images/fig_kappa12152.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6538.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6395.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6394.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6395.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6394.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc214649.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa12153.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times24875.png — (b) Computation time