mp-17112-2/K3Ge4Au/anharm

Space group: Pmmn (59)
Link: Materials Project
Download: mp-17112-2.tar.gz

Equation of state

../../_images/fig_bm7109.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr14192.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo14192.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all6032.png — (a) Grüneisen parameters

../../_images/fig_gruneisen6032.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 11x5x11, supercell: 2x2x2

../../_images/fig_kappa11351.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6109.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5971.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5970.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5971.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5970.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc213820.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa11352.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times23720.png — (b) Computation time