cP14-SiC2N4 (Direct)

cP14–SiC₂N₄ (Direct)

Image of cP14–SiC₂N₄ (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= ~\hat{x}\\ a_2 &= ~\hat{y}\\ a_3 &= ~\hat{z}\\\end{split}\]

Space Group: 224

Point Group of Structure: \(m\bar{3}m\)

Structure DOI: https://doi.org/10.1002/anie.199706031

Photonics DOI: Gap(s) for space group 224 above band 2 theorized to not exist in: https://doi.org/10.1103/PhysRevLett.121.263903

Source: Crystallographic Open Database #1526364

MPB Epsilon Input File: Download

Gap Atlas for \(\varepsilon = 16\)

Gap Atlas for \(\varepsilon\) = 16 across filling fraction \(\phi\) and frequency \(\omega\).

Gap Atlas for \(\varepsilon = 14\)

Gap Atlas for \(\varepsilon\) = 14 across filling fraction \(\phi\) and frequency \(\omega\).

Gap between Bands 2-3

Below is the band structure and isosurface of cP14–SiC₂N₄ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.22\) and filling fraction \(\phi = 0.391\).

Band Structure across first Brillouin Zone.

View along \(a_1\).