mp-5926/KCaF3/anharm

Space group: Pnma (62)
Link: Materials Project
Download: mp-5926.tar.gz

Harmonic properties

../../_images/fig_bandos_pr9768.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo9768.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3908.png — (a) Grüneisen parameters

../../_images/fig_gruneisen3908.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 11x8x11, supercell: 2x1x2

../../_images/fig_kappa7369.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3959.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime3871.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3870.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3871.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp3870.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc29525.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa7370.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times16982.png — (b) Computation time