mp-6564-2/Sr2MgSi2O7/anharm

Space group: P-42_1m (113)
Link: Materials Project
Download: mp-6564-2.tar.gz

Equation of state

../../_images/fig_bm3426.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr6468.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_bandos9315.png — (b) Phonon dispersion and DOS

../../_images/fig_thermo6468.png — (c) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all2640.png — (a) Grüneisen parameters

../../_images/fig_gruneisen2640.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO), supercell 2x2x2 — q-mesh: 8x8x13, supercell: 2x2x2

../../_images/fig_kappa5019.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size2676.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime2618.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates2617.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency2618.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp2617.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc26258.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_times11632.png — (a) Computation time