cF184-Cu8Sn3S12 (Inverse)

cF184–Cu8Sn3S12 (Inverse)

../_images/structure208.jpg

Image of cF184–Cu8Sn3S12 (Inverse), generated by Vesta

Lattice Vectors:

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

Space Group: 226

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

Structure DOI: https://doi.org/10.1021/acs.inorgchem.6b02012

Photonics DOI: Gap(s) for space group 226 theorized to not exist in: https://doi.org/10.1038/nmat979

Source: Crystallographic Open Database #4345120

MPB Epsilon Input File: Download

Gap Atlas for \(\varepsilon = 16\)

../_images/gap_atlas-16205.png

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

Gap Atlas for \(\varepsilon = 14\)

../_images/gap_atlas-14206.png

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

Gap Atlas for \(\varepsilon = 12\)

../_images/gap_atlas-12171.png

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

Gap Atlas for \(\varepsilon = 10\)

../_images/gap_atlas-10135.png

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

Gap Atlas for \(\varepsilon = 8\)

../_images/gap_atlas-882.png

Gap Atlas for \(\varepsilon\) = 8 across filling fraction \(\phi\) and frequency \(\omega\).

Gap between Bands 10-11

Below is the band structure and isosurface of cF184–Cu8Sn3S12 (Inverse) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.17\) and filling fraction \(\phi = 0.262\).

../_images/band_diagram_b=1017.jpg

Band Structure across first Brillouin Zone.

../_images/cF184-Cu8Sn3S12_r@gap_10-11.png

View along \(a_1\).