hP6-CaCu9 (Direct)

hP6–CaCu₉ (Direct)

Image of hP6–CaCu₉ (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= ~\hat{x}\\ a_2 &= -1/2~\hat{x} + \sqrt{3}/\sqrt{4}~\hat{y}\\ a_3 &= 0.7931547092413376~\hat{z}\\\end{split}\]

Space Group: 191

Point Group of Structure: \(6/mmm\)

Structure DOI: https://doi.org/10.17188/1193525

Source: Inorganic Crystallographic Database #260679

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 between Bands 18-19

Below is the band structure and isosurface of hP6–CaCu₉ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.195\) and filling fraction \(\phi = 0.271\).

Band Structure across first Brillouin Zone.

View along \(a_1\).