mp-6920/KNO3/anharm

Space group: R3m (160)
Link: Materials Project
Download: mp-6920.tar.gz

Harmonic properties

../../_images/fig_bandos_pr6212.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos9075.png — (b) Phonon dispersion and DOS

../../_images/fig_thermo6212.png — (c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2524.png — (a) Grüneisen parameters

../../_images/fig_gruneisen2524.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 16x16x16, supercell: 2x2x2

../../_images/fig_kappa4801.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2557.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime2506.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2505.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2506.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp2505.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc26003.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa4802.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times11295.png — (b) Computation time