mp-622213/GeS2/anharm

Space group: I4_1/acd (142)
Link: Materials Project
Download: mp-622213.tar.gz

Equation of state

../../_images/fig_bm2964.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr5821.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos8487.png — (b) Phonon dispersion and DOS

../../_images/fig_thermo5821.png — (c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2400.png — (a) Grüneisen parameters

../../_images/fig_gruneisen2400.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x2x1 — q-mesh: 6x6x6, supercell: 2x2x1

../../_images/fig_kappa4574.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2431.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime2384.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2383.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2384.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp2384.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc25617.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_times10610.png — (a) Computation time