mp-28276-2/K2PrBr5/anharm

Space group: Pnma (62)
Link: Materials Project
Download: mp-28276-2.tar.gz

Equation of state

../../_images/fig_bm5749.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr11788.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo11788.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all4910.png — (a) Grüneisen parameters

../../_images/fig_gruneisen4910.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 5x7x8, supercell: 1x2x2

../../_images/fig_kappa9255.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size4967.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime4861.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates4860.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency4861.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp4860.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc211499.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa9256.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times20005.png — (b) Computation time