mp-24204/CaHI/anharm

Space group: P4/nmm (129)
Link: Materials Project
Download: mp-24204.tar.gz

Harmonic properties

../../_images/fig_bandos_pr12364.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo12364.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5143.png — (a) Grüneisen parameters

../../_images/fig_gruneisen5143.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 18x18x8, supercell: 3x3x2

../../_images/fig_kappa9674.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5203.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5092.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5091.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5092.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5091.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc212063.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa9675.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times20982.png — (b) Computation time