mp-1095302/BiSe2/anharm

Space group: C2/m (12)
Link: Materials Project
Download: mp-1095302.tar.gz

Harmonic properties

../../_images/fig_bandos_pr16676.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo16675.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all7248.png — (a) Grüneisen parameters

../../_images/fig_gruneisen7248.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 11x11x8, supercell: 1x3x2

../../_images/fig_kappa13667.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size7334.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime7182.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates7181.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency7182.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp7181.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc216246.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa13668.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times27251.png — (b) Computation time