hP4-AlAgS2 (Direct)

hP4–AlAgS₂ (Direct)

Image of hP4–AlAgS₂ (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= ~\hat{x}\\ a_2 &= -1/2~\hat{x} + \sqrt{3}/\sqrt{4}~\hat{y}\\ a_3 &= 1.9542857132~\hat{z}\\\end{split}\]

Space Group: 156

Point Group of Structure: \(3m\)

Structure DOI: https://doi.org/10.1515/znb-1974-3-411

Source: Crystallographic Open Database #7209296

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 between Bands 9-10

Below is the band structure and isosurface of hP4–AlAgS₂ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.28\) and filling fraction \(\phi = 0.217\).

Band Structure across first Brillouin Zone.

View along \(a_1\).

Gap between Bands 16-17

Below is the band structure and isosurface of hP4–AlAgS₂ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.18\) and filling fraction \(\phi = 0.058\).

Band Structure across first Brillouin Zone.

View along \(a_1\).

Gap between Bands 18-19

Below is the band structure and isosurface of hP4–AlAgS₂ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.32\) and filling fraction \(\phi = 0.324\).

Band Structure across first Brillouin Zone.

View along \(a_1\).