mp-22917/CuBr/anharm

Harmonic properties

../../_images/fig_bandos_pr13139.png

(a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo13139.png

(b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5497.png

(a) Grüneisen parameters

../../_images/fig_gruneisen5497.png

(b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon — q-mesh: 19x19x11, supercell: 4x4x2

../../_images/fig_kappa10324.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5563.png

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

Phonon lifetime and scattering rates

../../_images/fig_lifetime5445.png

(a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5444.png

(b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5445.png

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

../../_images/fig_cumu_mfp5444.png

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

Force constants

../../_images/fig_fc3338.png

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

Summary

../../_images/fig_kappa10325.png

(a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times22197.png

(b) Computation time