mp-14234-2/MgB4O7/anharm

Space group: Pbca (61)
Link: Materials Project
Download: mp-14234-2.tar.gz

Equation of state

../../_images/fig_bm7363.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr14733.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos19096.png — (b) Phonon dispersion and DOS

../../_images/fig_thermo14733.png — (c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6315.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6315.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x1x1 — q-mesh: 8x8x5, supercell: 2x1x1

../../_images/fig_kappa11878.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6391.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime6252.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates6251.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency6252.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp6251.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc214351.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_times24475.png — (a) Computation time