mp-2852/C3N4/anharm

Space group: I-43d (220)
Link: Materials Project
Download: mp-2852.tar.gz

Harmonic properties

../../_images/fig_bandos_pr13263.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo13263.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all5572.png — (a) Grüneisen parameters

../../_images/fig_gruneisen5572.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 16x16x16, supercell: 1x1x1

../../_images/fig_kappa10467.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size5636.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime5517.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates5516.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency5517.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp5516.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc212907.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa10468.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times22372.png — (b) Computation time