mp-865047/Mg2AlB2Ir5/anharm

Space group: P4/mbm (127)
Link: Materials Project
Download: mp-865047.tar.gz

Harmonic properties

../../_images/fig_bandos_pr1557.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo1557.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all931.png — (a) Grüneisen parameters

../../_images/fig_gruneisen931.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 7x7x24, supercell: 1x1x4

../../_images/fig_kappa1807.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size941.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime924.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates923.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency924.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp924.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc21401.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa1808.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times2329.png — (b) Computation time