mp-7323/RbBe2BO3F2/anharm

Space group: R32 (155)
Link: Materials Project
Download: mp-7323.tar.gz

Equation of state

../../_images/fig_bm2250.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr4511.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo4511.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1933.png — (a) Grüneisen parameters

../../_images/fig_gruneisen1933.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 14x14x14, supercell: 2x2x1

../../_images/fig_kappa3701.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1960.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime1922.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1921.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1922.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp1922.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc24323.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa3702.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times8050.png — (b) Computation time