mp-8194/Ba2GeP2/anharm

Space group: P2_1/c (14)
Link: Materials Project
Download: mp-8194.tar.gz

Harmonic properties

../../_images/fig_bandos_pr2072.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo2072.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all1183.png — (a) Grüneisen parameters

../../_images/fig_gruneisen1183.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 8x7x9, supercell: 2x1x2

../../_images/fig_kappa2280.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size1197.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime1173.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates1172.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency1173.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp1173.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc21893.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa2281.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times3188.png — (b) Computation time