mp-7238/NdBO3/anharm

Harmonic properties

../../_images/fig_bandos_pr4490.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo4490.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1924.png

(a) Grüneisen parameters

../../_images/fig_gruneisen1924.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 12x14x8, supercell: 2x2x1

../../_images/fig_kappa3684.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1951.png

(b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime1913.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1912.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1913.png

(a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp1913.png

(b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc24302.png

(a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa3685.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times8023.png

(b) Computation time