mp-1101405/Rb2O/anharm

Space group: Immm (71)
Link: Materials Project
Download: mp-1101405.tar.gz

Harmonic properties

../../_images/fig_bandos_pr16503.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo16502.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all7144.png — (a) Grüneisen parameters

../../_images/fig_gruneisen7144.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 15x10x15, supercell: 3x2x4

../../_images/fig_kappa13470.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size7230.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime7078.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates7077.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency7078.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp7077.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc216078.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa13471.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times27024.png — (b) Computation time