hR8-Si (Direct)

hR8–Si (Direct)

Image of hR8–Si (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= ~\hat{x}\\ a_2 &= -0.34316793389327965~\hat{x} + 0.9392740649865471~\hat{y}\\ a_3 &= -0.34316793389327965~\hat{x} - 0.4907323452681649~\hat{y} + 0.8008854689993926~\hat{z}\\\end{split}\]

Space Group: 148

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

Structure DOI: https://doi.org/10.1103/PhysRevB.50.13043

Source: Inorganic Crystallographic Database #109036

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 8-9

Below is the band structure and isosurface of hR8–Si (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.225\) and filling fraction \(\phi = 0.33\).

Band Structure across first Brillouin Zone.

View along \(a_1\).