mp-557057/NbO2/anharm

Space group: I4_1/a (88)
Link: Materials Project
Download: mp-557057.tar.gz

Harmonic properties

../../_images/fig_bandos_pr8357.png — (a) Phonon dispersion with participation ratio and DOS

../../_images/fig_thermo8357.png — (b) Thermodynamic properties

Grüneisen parameters

../../_images/fig_gru_all3409.png — (a) Grüneisen parameters

../../_images/fig_gruneisen3409.png — (b) Phonon dispersion with Grüneisen parameters

Thermal conductivity

3-phonon (LASSO) — q-mesh: 12x10x10, supercell: 2x2x1

../../_images/fig_kappa6447.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_kappa_vs_grain_size3452.png — (b) Peierls lattice thermal conductivity w.r.t grain size

Phonon lifetime and scattering rates

../../_images/fig_lifetime3377.png — (a) Phonon lifetime due to phonon-phonon scattering

../../_images/fig_scat_rates3376.png — (b) Phonon scattering rates

Cumulative and spectral thermal conductivity

../../_images/fig_cumu_frequency3377.png — (a) Spectral and cumulative thermal conductivity w.r.t frequency

../../_images/fig_cumu_mfp3376.png — (b) Spectral and cumulative thermal conductivity w.r.t MFP

Force constants

../../_images/fig_fc28119.png — (a) Force constants w.r.t atomic distance

Summary

../../_images/fig_kappa6448.png — (a) Temperature-dependent lattice thermal conductivity

../../_images/fig_times14680.png — (b) Computation time