tI20-Ga2TeSe2 (Inverse)

tI20–Ga2TeSe2 (Inverse)

../_images/structure152.jpg

Image of tI20–Ga2TeSe2 (Inverse), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= -0.4891335496~\hat{x} + 0.4891335496~\hat{y} + 0.7221473128~\hat{z}\\ a_2 &= 0.4891335496~\hat{x} - 0.4891335496~\hat{y} + 0.7221473128~\hat{z}\\ a_3 &= 0.4891335496~\hat{x} + 0.4891335496~\hat{y} - 0.7221473128~\hat{z}\\\end{split}\]

Space Group: 109

Point Group of Structure: \(4mm\)

Structure DOI: https://doi.org/10.17188/1202536

Photonics DOI: Gap(s) for space group 109 above band 2 theorized in: https://doi.org/10.1103/PhysRevLett.121.263903

Source: Crystallographic Open Database #1537889

MPB Epsilon Input File: Download

Gap Atlas for \(\varepsilon = 16\)

../_images/gap_atlas-16149.png

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

Gap Atlas for \(\varepsilon = 14\)

../_images/gap_atlas-14150.png

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

Gap Atlas for \(\varepsilon = 12\)

../_images/gap_atlas-12123.png

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

Gap Atlas for \(\varepsilon = 10\)

../_images/gap_atlas-1096.png

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

Gap between Bands 2-3

Below is the band structure and isosurface of tI20–Ga2TeSe2 (Inverse) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.27\) and filling fraction \(\phi = 0.187\).

../_images/band_diagram_b=215.jpg

Band Structure across first Brillouin Zone.

../_images/tI20-Ga2TeSe2_r@gap_2-3.png

View along \(a_1\).