mp-8966/K2Sn2Se5/anharm

Space group: C2/c (15)
Link: Materials Project
Download: mp-8966.tar.gz

Harmonic properties

../../_images/fig_bandos_pr1671.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo1671.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all980.png — (a) Grüneisen parameters

../../_images/fig_gruneisen980.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 10x10x6, supercell: 2x2x1

../../_images/fig_kappa1901.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size991.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime973.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates972.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency973.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp973.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc21504.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa1902.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times2496.png — (b) Computation time