hP28-Si3N4 (Inverse)

hP28–Si₃N₄ (Inverse)

Image of hP28–Si₃N₄ (Inverse), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= ~\hat{x}\\ a_2 &= -1/2~\hat{x} + \sqrt{3}/\sqrt{4}~\hat{y}\\ a_3 &= 0.7249203512~\hat{z}\\\end{split}\]

Space Group: 159

Point Group of Structure: \(3m\)

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

Source: Crystallographic Open Database #1001238

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 Atlas for \(\varepsilon = 10\)

Gap Atlas for \(\varepsilon\) = 10 across filling fraction \(\phi\) and frequency \(\omega\).

Gap between Bands 12-13

Below is the band structure and isosurface of hP28–Si₃N₄ (Inverse) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.2\) and filling fraction \(\phi = 0.145\).

Band Structure across first Brillouin Zone.

View along \(a_1\).