cI36-SiO2 (Direct)

cI36–SiO2 (Direct)

../_images/structure109.jpg

Image of cI36–SiO2 (Direct), generated by Vesta

Lattice Vectors:

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

Space Group: 217

Point Group of Structure: \(\bar{43}m\)

Structure DOI: https://doi.org/10.1016/j.micromeso.2011.10.042

Source: Inorganic Crystallographic Database #183701

MPB Epsilon Input File: Download

Gap Atlas for \(\varepsilon = 16\)

../_images/gap_atlas-16107.png

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

Gap Atlas for \(\varepsilon = 14\)

../_images/gap_atlas-14107.png

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

Gap Atlas for \(\varepsilon = 12\)

../_images/gap_atlas-1292.png

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

Gap Atlas for \(\varepsilon = 10\)

../_images/gap_atlas-1074.png

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

Gap between Bands 6-7

Below is the band structure and isosurface of cI36–SiO2 (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.14\) and filling fraction \(\phi = 0.236\).

../_images/band_diagram_b=68.jpg

Band Structure across first Brillouin Zone.

../_images/cI36-SiO2@gap_6-7.png

View along \(a_1\).