cF8-C (Direct)

cF8–C (Direct)

Image of cF8–C (Direct), 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: 227

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

Structure DOI: https://doi.org/10.1107/S0108768195010810

Photonics DOI: https://doi.org/10.1103/PhysRevLett.65.3152

Source: Inorganic Crystallographic Database #52054

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 Atlas for \(\varepsilon = 8\)

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

Gap Atlas for \(\varepsilon = 6\)

Gap Atlas for \(\varepsilon\) = 6 across filling fraction \(\phi\) and frequency \(\omega\).

Gap Atlas for \(\varepsilon = 4\)

Gap Atlas for \(\varepsilon\) = 4 across filling fraction \(\phi\) and frequency \(\omega\).

Gap between Bands 2-3

Below is the band structure and isosurface of cF8–C (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.33\) and filling fraction \(\phi = 0.419\).

Band Structure across first Brillouin Zone.

View along \(a_1\).

Gap between Bands 8-9

Below is the band structure and isosurface of cF8–C (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.26\) and filling fraction \(\phi = 0.208\).

Band Structure across first Brillouin Zone.

View along \(a_1\).

Gap between Bands 14-15

Below is the band structure and isosurface of cF8–C (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.18\) and filling fraction \(\phi = 0.069\).

Band Structure across first Brillouin Zone.

View along \(a_1\).