hP14-SiN2 (Direct)

hP14–SiN₂ (Direct)

Image of hP14–SiN₂ (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= ~\hat{x}\\ a_2 &= -1/2~\hat{x} + \sqrt{3}/\sqrt{4}~\hat{y}\\ a_3 &= 0.3823568118~\hat{z}\\\end{split}\]

Space Group: 176

Point Group of Structure: \(6/m\)

Structure DOI: https://doi.org/10.1016/0025-5408(83)90003-X

Source: Crystallographic Open Database #1001244

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 Atlas for \(\varepsilon = 12\)

Gap Atlas for \(\varepsilon\) = 12 across filling fraction \(\phi\) and frequency \(\omega\).

Gap between Bands 10-11

Below is the band structure and isosurface of hP14–SiN₂ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.125\) and filling fraction \(\phi = 0.236\).

Band Structure across first Brillouin Zone.

View along \(a_1\).