mp-17834-2/La2SiSeO4/anharm

Space group: Pbcm (57)
Link: Materials Project
Download: mp-17834-2.tar.gz

Equation of state

../../_images/fig_bm7027.png — (a) Equation of state

Harmonic properties

../../_images/fig_bandos_pr14034.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo14034.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5952.png — (a) Grüneisen parameters

../../_images/fig_gruneisen5952.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 11x9x6, supercell: 2x2x1

../../_images/fig_kappa11204.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size6030.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5895.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5894.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5895.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5894.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc213662.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa11205.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times23485.png — (b) Computation time