hR2-C (Direct)

hR2–C (Direct)

../_images/structure225.jpg

Image of hR2–C (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= 1/2~\hat{x} + \sqrt{3}/6~\hat{y} + \sqrt{2}/\sqrt{3}~\hat{z}\\ a_2 &= -1/2~\hat{x} + \sqrt{3}/6~\hat{y} + \sqrt{2}/\sqrt{3}~\hat{z}\\ a_3 &= -1/\sqrt{3}~\hat{y} + \sqrt{2}/\sqrt{3}~\hat{z}\\\end{split}\]

Space Group: 166

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

Structure DOI: https://doi.org/10.1088/1367-2630/8/5/062

Source: Inorganic Crystallographic Database #157074

MPB Epsilon Input File: Download

Gap Atlas for \(\varepsilon = 16\)

../_images/gap_atlas-16222.png

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

Gap Atlas for \(\varepsilon = 14\)

../_images/gap_atlas-14222.png

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

Gap Atlas for \(\varepsilon = 12\)

../_images/gap_atlas-12183.png

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

Gap Atlas for \(\varepsilon = 10\)

../_images/gap_atlas-10144.png

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

Gap between Bands 8-9

Below is the band structure and isosurface of hR2–C (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.17\) and filling fraction \(\phi = 0.058\).

../_images/band_diagram_b=850.jpg

Band Structure across first Brillouin Zone.

../_images/hR2-C@gap_8-9.png

View along \(a_1\).