hP21-NaAlSiO4 (Direct)

hP21–NaAlSiO₄ (Direct)

Image of hP21–NaAlSiO₄ (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= ~\hat{x}\\ a_2 &= -1/2~\hat{x} + \sqrt{3}/\sqrt{4}~\hat{y}\\ a_3 &= 2.444235794~\hat{z}\\\end{split}\]

Space Group: 145

Point Group of Structure: \(3\)

Structure DOI: https://doi.org/10.1021/acs.chemmater.7b02548

Source: Inorganic Crystallographic Database #433181

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 between Bands 6-7

Below is the band structure and isosurface of hP21–NaAlSiO₄ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.2\) and filling fraction \(\phi = 0.316\).

Band Structure across first Brillouin Zone.