tI16-In4.8Ag1.6Te8 (Direct)

tI16–In4.8Ag1.6Te8 (Direct)

../_images/structure229.jpg

Image of tI16–In4.8Ag1.6Te8 (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= -0.408219984~\hat{x} + 0.408219984~\hat{y} + \sqrt{2}/\sqrt{3}~\hat{z}\\ a_2 &= 0.408219984~\hat{x} - 0.408219984~\hat{y} + \sqrt{2}/\sqrt{3}~\hat{z}\\ a_3 &= 0.408219984~\hat{x} + 0.408219984~\hat{y} - \sqrt{2}/\sqrt{3}~\hat{z}\\\end{split}\]

Space Group: 121

Point Group of Structure: \(\bar{42}m\)

Structure DOI: https://doi.org/10.1021/acs.inorgchem.5b00433

Source: Crystallographic Open Database #1520109

MPB Epsilon Input File: Download

Gap Atlas for \(\varepsilon = 16\)

../_images/gap_atlas-16226.png

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

Gap Atlas for \(\varepsilon = 14\)

../_images/gap_atlas-14226.png

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

Gap Atlas for \(\varepsilon = 12\)

../_images/gap_atlas-12187.png

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

Gap Atlas for \(\varepsilon = 10\)

../_images/gap_atlas-10146.png

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

Gap Atlas for \(\varepsilon = 8\)

../_images/gap_atlas-892.png

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

Gap Atlas for \(\varepsilon = 6\)

../_images/gap_atlas-650.png

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

Gap Atlas for \(\varepsilon = 4\)

../_images/gap_atlas-435.png

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

Gap between Bands 8-9

Below is the band structure and isosurface of tI16–In4.8Ag1.6Te8 (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.2\) and filling fraction \(\phi = 0.472\).

../_images/band_diagram_b=852.jpg

Band Structure across first Brillouin Zone.

../_images/tI16-In48Ag16Te8@gap_8-9.png

View along \(a_1\).

../_images/tI8-In48Ag16Te8@gap_8-9.png

View along \(a_2\).